Fangirl is a contemporary young adult novel by Rainbow Rowell. It follows the story of Cath, a socially awkward college freshman who is an avid fanfiction writer. As Cath navigates the challenges of her first year of college, she also grapples with family issues and the complexities of relationships. The book explores themes of identity, fandom, and the power of storytelling. With its relatable characters and witty dialogue, Fangirl is a delightful and engaging read for anyone who has ever been a fan of something.