Sharon Smith is a senior in highschool and the valedictorian of her class. She plays the celloand piano, volunteers at the library, tutors other kids, works part time at McDonald's, and has been runningher paper route since she was eight.On top of all that she is taking college credits online, saving to buy a car, and applying to all the Ivy Leaguecolleges, but what matters the most to her is her bestfriend and next-door neighbor, Calvin. They've knowneach other for forever, and she imagines spending therest of their lives together. If only he wasn't obsessedwith Sharon's fraternal twin, Shannon.Shannon is everyone's favorite. She sings like theangels, is usually smiling, has golden blonde hair, chocolate brown eyes, and is always the centerof attention. She's not the smartest, but has beengiven a free pass in life because of hersevere congenital heart defect.She has the rarest blood type in the world, whichcomplicates getting a much needed heart transplant.Because of this, she sucks up all her parents' attention, and is in the hospital more than she is out of it, leavingSharon alone most of the time. Sharon isn't completelyalone though. She has her maternal grandparents.Someone Else follows the twin's last year of highschool, the ups and downs of love, family drama, andtrying to make a plan for the rest of their lives. Theymay not end up where they want to be, but fate putsthem where they need to be.