The Boy in the Dress by David Walliams is a comedic children’s book that tells the story of a fourteen-year-old boy named John and a twelve-year-old boy named Dennis. Encouraged by a rebellious friend, Dennis decides to cross-dress, leading to unexpected reactions from his family, friends, and school. The book explores themes of identity, acceptance, and the power of self-expression. Aimed at readers aged eight to twelve, it has been adapted into a television film and a musical. David Walliams drew on his own childhood experiences for this heartwarming tale, making it personal and relatable.