The author of The Mother-in-Law delivers a new novel of breathtaking suspense about the secrets and lies that bond two sisters.

Meet Rose
The responsible sisters with a home, a husband, and a fierce desire to become a mother.

Meet Fern
The introverted librarian who avoids social interaction as much as possible.

They are as close as two sisters can be. But they couldn't be more different.

What are they hiding from each other?

Utterly compelling, unpredictable, and addictive, The Good Sister is about the ties that bind...and the darkness that lives where you least expect it.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of unexpected love.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.

THE INSTANT NEW YORK TIMES BESTSELLER

A stunningly clever thriller made doubly suspenseful by not one, but two unreliable narrators. -- People

Sally Hepworth, the author of The Mother-In-Law delivers a knock-out of a novel about the lies that bind two sisters in The Good Sister.

There's only been one time that Rose couldn't stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.

Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be...dangerous.

When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

Fern's mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets from the past, in this quirky, rich and shocking story of what families keep hidden.