About the Series: Confident readers can match wits with their favorite supersleuth in sneakers in each volume featuring ten short mysteries. Try to crack the cases along with Encyclopedia- the solutions are in the back of the book! About this book: Spies exchanging top-secret information. . . A sand- castle Terminator. . . A dog that's been kidnapped. . . A manhole- cover salesman. . . And an annual Duck Derby that's run a, fowl The solutions to all the mysteries are in the back (just in case you don't crack the case!).