"Mad About the Boy" is a novel by Helen Fielding and is the third book in the "Bridget Jones" series. The story picks up several years after the events of the second book, with Bridget now in her fifties and a single mother of two young children. As she navigates the challenges of middle age, including dating, parenting, and career changes, Bridget finds herself drawn to a younger man named Roxster. The book explores themes of aging, love, and the changing roles of women in society. With its relatable characters and humorous tone, "Mad About the Boy" is a heartwarming and entertaining read that will appeal to fans of the series and newcomers alike.