The Case of the Shifting Stacks — Robin Koontz

During Furlock and Muttson's trip to the library, the librarian has a mystery! The books have been moving to mysterious places by themselves. Can they follow the clues to solve the case of the shifting stacks? The furry detectives provide early readers entertaining, easy-to-follow mysteries in the Short Tales Furlock & Muttson Mysteries series. Large type, whimsical illustrations, and repeated phrases will make these tales popular with your students. Short Tales is an imprint of Magic Wagon, a division of ABDO Publishing Group. Grades 2-6.