When thieves hijack a collection of stuffed animals from a country auction, Frank and Joe Hardy pursue the getaway car and are drawn into a thrilling mystery. The recently acquired interest of their best pal, chubby Chet Morton, in taxidermy as a hobby adds fresh twists to the puzzle. At the same time, the young detectives' father -- famed private investigator Fenton Hardy -- is tracking down an industrial spy ring. Over the Hardys' ham radio, Frank and Joe pick up a coded message from the spies, consisting of names of various wild animals. Are the industrial spies somehow mixed up in the hijacking at the auction and the rash of stuffed animal thefts that follow? This suspense-filled story of pursuit and detection will keep the reader breathlessly following the chain of unexpected developments that lead Frank and Joe to the spine-tingling climax in the wilds of northern Canada. - Flyleaf.