Gotham City's new monument to Rizzo the Clown is no laughing matter! It's rigged with a series of booby-traps that have Mystery Inc. and Batman stuck in a tourist trap of the worst kind. Can the Caped Crusader help Scooby and the gang escape the horrible hijinks inside Clown Castle? Find out in this action-packed chapter book for fans of Batman and Scooby-Doo!