"Among the Hidden" is a young adult novel by Margaret Peterson Haddix. It is set in a dystopian society where families are only allowed to have two children due to strict population control laws. The story follows a third child, Luke Garner, who must live in hiding to avoid being discovered by the government. As Luke struggles with his isolation, he discovers another hidden child, a girl named Jen. Together, they explore the challenges of living in secrecy and the desire for freedom. The novel addresses themes of identity, rebellion, and the importance of standing up against oppressive systems.