**The sign of the crooked arrow**: A deadly phantom archer...
Does the symbol of the crooked Indian arrow hold the clue to a gang of jewel thieves? Frank and Joe Hardy are catapulted into an extraordinary mystery - and danger from an unknown archer. An urgent summons to Mexico leads to a high-speed plane chase, peril from a mad bull and torrential floods. Deep in the backwoods, Frank and Chet Morton stumble on a vital clue...
But, imprisoned in an Indian camp, can they outwit the phantom archer one more time...!
