It's Halloween, and Aunt Eater is going to a costume party. Dressed as her favorite detective, she's sure to find plenty of mysteries along the way. But even Aunt Eater may not be able to explain all of the strange happenings on Halloween night. Just in time for beginning readers' favorite holiday, Doug Cushman's fourth funny book about this beloved, and often befuddled, sleuth will have amateur detectives investigating their own Halloween mysteries.