Mystery of the Whale TattooBook - 1968
Helping in a case their father is working on, the Hardy brothers try to find an informer who has telephoned from a booth in their home town, and are hired by a carnival owner to spot pickpockets.
Publisher: New York, Grosset & Dunlap 
Branch Call Number: JM/DIXO
Characteristics: 174 p. illus. 20 cm.