Lucy Ruth Cummins is an author and illustrator who made her critically acclaimed author-illustrator debut in 2016 with her picture book A Hungry Lion, or A Dwindling Assortment of Animals. She is also the illustrator of This Is Not a Valentine, Truman, The Love Letter, and Little Freddie Two Pants. When she's not writing or illustrating books, Lucy is an executive art director of Simon & Schuster Books for Young Readers. She grew up in Cortland, New York, and she now lives with her little family in Brooklyn, New York.

Pete Oswald is a #1 New York Times bestselling illustrator and an Annie Award-nominated animation production designer best known for the Angry Birds Movie film franchise and Oscar-nominated ParaNorman, in addition to multiple animated studio films. He is also a children's book author and illustrator and a painter. Pete is the illustrator the New York Times bestselling Food Group series written by Jory John, and Cranky written by Phuc Tran. Pete lives in Los Angeles, California, with his wife and three sons.