A vertically-opening, one-idea book with sure child appeal: working from the ground up, each high-rise tenant imagines what could be malting the racket immediately above (""It sounds like elephants on pogo sticks!"" ""It sound like a dinosaur dancing the fandango!""); both imagined and real activities (revealed with a page turn--in this case, kids bouncing on the bed) are depicted in lively cartoon style. It's all topped off when imagination meets reality in King Kong himself--who's tap-dancing on the roof in a spectacular foldout. ""Now that really [is] silly.