The Cherub Series is a collection of young adult novels written by Robert Muchamore. It follows the adventures of a group of teenage spies working for a secret organization called CHERUB, which recruits children to carry out undercover missions. The series is set in modern-day Britain and explores themes of friendship, loyalty, and the challenges of adolescence. The first book, titled "CHERUB: The Recruit," introduces readers to James Choke, a troubled teenager who joins the organization after a difficult upbringing. The series has gained popularity for its engaging storytelling and relatable characters, appealing to both young readers and adults alike.