Divided City is a Young Adult novel by Theresa Breslin about two teenage boys, Mason and Joe, who live in an economically divided city. Mason is Catholic and Joe is Protestant, and the two must come to grips with the religious tensions between their communities. As they explore the city, they uncover a deep connection between them, the Catholic and Protestant communities and the history of their city. The story follows the boys on their journey of discovery, overcoming their differences and ultimately restoring harmony to their divided city.