"Nancy's all dressed-up, with a place to go! But so is Nancy's jealous rival, Deirdre Shannon, in the exact same dress, going to the exact same place - her big party! But the really bad stuff starts when Nancy is suddenly kidnapped - and it wasn't by the fashion police. Can Nancy's friends, Bess, George, and Ned solve the mystery of the missing Girl Detective - or does the Teen Sleuth face a fate far worse than a mere wardrobe malfunction?!"--Back...