Divergent
By Veronica RothBeatrice Prior lives in a futuristic Chicago where society is divided into five factions: Candor, Abnegation, Dauntless, Amity, and Erudite. When each child turns sixteen, they get to choose whether to stay in the same faction, or choose their own path in a different one. Growing up in Abnegation, Beatrice was always taught to put others before herself, but her heart wants something different for herself. Tris decides to leave her family in Abnegation and join the Dauntless, a faction nothing like her previous one.