Winner Bakes All - Sheryl Berk - Bog

Sadie has more than the baking competition to worry about. She's in danger of failing math and her parents are on the verge of divorce. The girls accidentally mess up a cupcake order for the New Fairfield Art Society, whose curator, Mrs. Vanderwall, is not amused. Imagine their surprise when they get to the Battle . . . and Mrs. Vanderwall is one of the judges!