The Case of the Elevator Duck

Gilbert wants to be a detective when he grows up. So he practices all the time. Then one day he finds a duck in theelevator of his housing project. Where did it come from? Who owns it? Gilbert knows that no pets are allowed in the building. He also knows he'd better findthe duck's owner fast. If the housing inspector catches him with the illegal bird, Gilbert's goose will really be cooked! Recommended for readers 6 to 10. Softback, 60 pages