"Little Brother" is a young adult novel by Cory Doctorow, published in 2008. The story follows 17-year-old Marcus Yallow, who is caught up in a terrorist attack in San Francisco. In the aftermath of the attack, Marcus is falsely arrested by the Department of Homeland Security and subjected to harsh interrogation techniques.
Determined to fight back against the government's intrusion into his life, Marcus becomes a hacker and starts a campaign to expose the government's surveillance and censorship practices. Along the way, he recruits a group of like-minded teenagers to join his cause and engages in a cat-and-mouse game with the government agents who are trying to track him down.
The novel is a fast-paced thriller that explores the themes of civil liberties, government surveillance, and the power of technology. Doctorow uses the story to challenge readers to consider the trade-offs between security and freedom in a post-9/11 world. The book also includes a number of educational resources and links to further information on the issues it raises.
Overall, "Little Brother" is a thought-provoking and engaging novel that combines a compelling story with important social and political commentary. The book has been praised for its realistic portrayal of technology and its impact on society, as well as its strong message of individual empowerment and resistance.