Sage Priestly is seventeen, and she longs to reinvent herself -- to strip away the fat, the past, the crazy mom, the unpaid bills. She longs to be her own version of the gorgeous and popular Mona Simms. Sage starts dieting and exercising. She gets blond highlights and throws away all of her black clothes. Bit by bit she transforms herself. This is deeply troubling to her best friend, Vern, who is secretly in love with Sage just the way she is. But...