“franklin w dixon”

The Hardy boys' investigation of a museum robbery in England arouses the anger of a coven of black witches.... More

When the Hardy boys buy a Chinese junk for a money-making venture, they discover it has a serious flaw... More

Determined to learn the secret of the old mill, Frank and Joe employ a clever ruse to gain entrance and become trapped. There they unravel two mysteries, one involving a counterfeiting case and the other, a national security case their father is working on.... More

When the Hardy boys reached the caves, they came unexpectedly upon a queer old hermit.... More

Valuable electronic parts containing platinum are being stole 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 solve the baffling case. At Stanwide the boys pose as employees, and become s... More

In an effort to recover a top-secret instrument needed by the space program, the Hardy boys travel to South America, hot on the trail of a notorious ring of spies.... More

IN their motorboat the Sleuth Frank and Joe Hardy search Barmet Bay for a dangerous stranger who has stolen a valuable boat. Suddenly, in the eerie fog, they spot the craft drifting aimlessly out to sea. What happens next starts the young detectives and their pal Chet Morton on an intriguing adventu... More

It all starts when Fenton Hardy, is engaged by an experimental race car and motor designer to investigate a series of mysterious accidents. Three of his drivers have crashed because the windshields of their cars were suddenly crazed, thus cutting off forward vision. Frank and Joe uncover one slim cl... More