"The Tower Treasure" is the first installment in the "Hardy Boys" series of mysteries. Written by Canadian author Charles Leslie McFarlane and published under the pen name, Franklin W. Dixon, in 1927, "The Tower Treasure" ranks as one of the best works in the series. In this thrilling and suspenseful work, readers are introduced to Frank and Joe Hardy, two clever and resourceful teenage boys, who find themselves in the middle of a strange case involving...

When Frank and Joe investigate threatening notes and a secret room in an old mansion, robbery and mistaken identity complicate matters.

Valuable electronic parts containing platinum are being stolen from shipments made by Stanwide Mining Equipment Company's cargo planes, and Frank and Joe Hardy are called upon to assist their world-renowned detective father to solve the baffling case. At Stanwide the boys pose as employees, and become suspicious of their boss's hostility toward them. Is he involved in the racket? And what is the truth behind the plane crash at sea in which Clint Hill,...

The Hardy brothers try to find out who is behind a rash of automobile thefts that are occurring on Shore Road just outside of Bayport.

MISSION: To investigate the shady goings-on at the exclusive private boarding school Willis Firth Academy. LOCATION: The mountains of New England. POTENTIAL VICTIMS: The brothers of Gamma Theta Theta, the most elite fraternity on campus, seem to be on the receiving end of all of Firth's biggest (and most dangerous) problems. SUSPECTS: The members of the frat may seem like brothers to everyone else, but Gamma Theta Theta insiders know that within...

In Private Killer, Frank and Joe continue their undercover investigation of Gamma Theta Theta, a mysterious-turned-dangerous fraternity at an all-boys New England boarding school. The headmaster's meddlesome, trouble-making daughter is in danger, and it seems like the fraternity members-and even some faculty-will stop at nothing to protect their secrets.