Little Brother, written by Cory Doctorow, is a young adult novel set in a near-future surveillance state. The story follows Marcus Yallow, a tech-savvy teenager who becomes a target of government surveillance after a terrorist attack in San Francisco. Marcus and his friends use their hacking skills to fight back against the invasive surveillance and protect their civil liberties. This fast-paced and thought-provoking book explores themes of privacy, technology, and the power of grassroots resistance.