A new title in the bestselling series about the world's greatest supersleuth in sneakers! A slippery salamander, a banana burglar, a judge who's run away, and a presidential toothbrush . . . these are just some of the clues that the world's greatest young detective must use to solve 10 all-new mysteries. Young readers can try to solve the cases alongside Encyclopedia--the answers to all the mysteries are in the back of the book.