Dull high-school senior, Jade Thirwall has a rude awakening when she learns that her fellow piers secretly know her as the DUFF-- designated ugly fat friend--to her more superior friends. Desperate to get rid of the title, Jade gets the help of Niall Horan, a charming jock and ladies man. In order to stop her senior year from being a catastrophe, Jade must find the confidence to take down the school's most popular girl, and put the social status back in order. A reinvention of the movie The Duff. All the ideas in this book are presented by the film.