Seventeen-year-old Jules Edwards always thought he was ordinary-until a viral news story and a DNA test reveal he was kidnapped as a baby. Forced to leave behind the only life he's known, Jules is thrust into the grief-stricken Rosemary family, who have just lost his identical twin, Jack. Living in Jack's shadow-inheriting his room, his friends, even his ex-girlfriend-Jules becomes Rosemary Boy in the media spotlight. But beneath the surface, nothing feels right: his stepfather watches him too closely, his siblings walk on eggshells, and the family's silence grows heavier by the day. Then Jules meets Jasmine Morè, whose sharp hostility hides a pull he can't ignore. As he unravels the truth about Jack and himself, Jules must confront not just who he is, but who he's willing to become. Rosemary Boy is a tender coming-of-age story about identity, grief and the cost of becoming someone you were never meant to be.