When two suspicious plane accidents occur near an eastern airport, the two Hardy brothers investigate the case and find themselves in greater danger than they anticipated.
The Hardy boys find the missing deed to an Indian tribe's land, prevent a phony salesman from carrying through a reckless scheme, and help their father solve a top-secret case.
Sebastian the dog and his detective master search for Big Foot and other suspects when a guest is attacked by something "big and hairy" at the Sasquatch Inn.
Abducted by a "fan" and forced to become a member of a professional junior hockey team, thirteen-year-old star center Steve Crandall quickly realizes that he must play not only to win but to survive.
Amazing boy detective Piet Potter races against time to save a public event from ruin, although he has only a series of mysterious phone calls as clues.