YUCKERS! WHAT SMELLS LIKE COTTON CANDY AND GOES THUMP, THUMP, THUMP? Stevie Brickwald is so gross. He even eats Yuckers! cereal, and everyone knows it's full of weird chemicals. Then Stevie mixes Yuckers! with a secret ingredient, and very strange things start happening at school. All the lunch milk disappears. A small pink dog is seen diving into the drinking fountain. A mysterious thumping interrupts Ms. Cosgrove's math class. Could there really be another monster loose at P.S. 13? Danny Keegan knows that all monsters aren't bad. After all, some of his best friends are monsters. WELCOME TO P.S. 13 and the Crazy classroom of THE FIFTH GRADE MONSTERS!