Nancy and her friends search for a missing chocolate turkey in the twelfth book in the interactive Nancy Drew Clue Book mystery series. Nancy, Bess, and George are running in River Heights's Turkey Trot this year and Bess has designed some super cute turkey-inspired outfits for them to wear. They're hoping to win the costume contest and receive the winning prize, a giant chocolate turkey from Classy Coco, the new fancy chocolate shop...