Little Brother, written by Cory Doctorow, is a young adult novel that tackles themes of surveillance, privacy, and government control. The story follows Marcus Yallow, a teenage hacker, as he navigates a near-future San Francisco under heavy surveillance. When a terrorist attack occurs, Marcus becomes a target of the Department of Homeland Security, leading him to fight back against the invasive surveillance state. This thought-provoking book raises important questions about civil liberties and the impact of technology on society.