"Little Brother" is a novel written by Cory Doctorow. The book, published in 2008, falls within the science fiction and young adult genres. It explores themes of technology, privacy, civil liberties, and the consequences of living in a surveillance society. The story follows a teenage protagonist named Marcus Yallow, who becomes a key figure in a fight against increased government surveillance and the erosion of civil liberties after a terrorist attack in San Francisco. Marcus employs his technological skills to resist the oppressive measures implemented by authorities, leading to a narrative that raises questions about security, freedom, and the balance between the two. Cory Doctorow, known for his advocacy of digital rights and open access, brings his expertise and concerns about technology and its societal impact into the narrative. "Little Brother" has gained recognition for its thought-provoking exploration of contemporary issues, making it a relevant and engaging read, particularly for young adult audiences.