Series: The Hardy Boys

In Hardy Boys 01: The Tower Treasure by Franklin W. Dixon, Frank and Joe Hardy, the teenage sons of famous detective Fenton Hardy, find themselves in the midst of a compelling and mystifying case. When a dying criminal confesses that his stolen loot has been hidden "in the tower," the brothers take it upon themselves to solve the puzzle and...

Hardy Boys 02: The House on the Cliff follows Frank and Joe Hardy as they investigate a mysterious old house perched high on the cliffs above Barmet Bay. Their initial exploration turns frightening when they are scared off by a scream. Undeterred, the boys return to the seemingly haunted house after discovering a link between the location and a smuggling...

With two cases in tow, the Hardy boys look to Turner Mill for clues. Determined to learn the secret of the old mill, Frank and Joe employ a clever ruse to gain entrance, only to find themselves trapped. How the young detectives extricate themselves from this dangerous situation and unravel mysteries will keep readers tense with suspense! Hardy Boys 03:...

Timber wolves, a Rocky Mountain blizzard, and a mine cave-in are only a few of the perils Frank and Joe Hardy encounter during their search for the principal members of a notorious gang responsible for a payroll robbery. Clue by clue, Frank and Joe cleverly fit into place the scattered pieces of this dangerous puzzle and come up with the...

When the Hardy Boys eagerly agree to assist their friend Jack Dodd and his father in locating a family treasure, the two young detectives are unaware of the baffling complications that will arise. Deadly road traps, aerial ambush, a spider man and a suspect who carries a menacing cane harass the young detectives as they seek the triple solution to...

Not only is the local bank robbed, but two of the Hardy boys' pals mysteriously disappear after a masquerade party. Are the events related? How the Hardy boys use all their courage and skill to outwit the criminals provides an exciting climax to one of the most baffling mysteries the young detectives have ever encountered. Hardy Boys 04: the Missing...

Triggered by the disappearance of a brilliant young professor, this mystery takes the Hardy boys first to Kenworthy College, where they find a puzzling message on an examination paper. But then, a new clue is unearthed that sends the young detectives to the Honeycomb Caves. After many dangerous encounters, Frank and Joe discover a powerful searchlight in one of the...

With two mysteries to solve, Frank and Joe must climb aboard their iceboat, the Sea Gull, to reach Cabin Island, where a belligerent stranger orders them off. Sabotage to the boat, danger to themselves, and a ghostly prowler do not daunt the Hardy boys in their search for Johnny Jefferson and for clues to stolen antique medals. How the teenage...

Valuable electronic parts containing platinum are being stolen from shipments made by Stanwide Mining Equipment's cargo planes, and Frank and Joe are called upon to assist their world-renowned detective father in solving the baffling case. While posing as Stanwide employees, the boys investigate the truth behind the chief pilot's death at sea. The puzzling trail of clues leads the young...

Frank and Joe race against time to retrieve a scientist's top-secret invention before thieves get their hands on it. But the young detectives soon discover that they are involved in a mystery far greater in scope than just safeguarding the invention. When Joe is kidnapped, this incident starts Frank off on a chase that could end disastrously for him and...

A banker who has been receiving threatening notes enlists the help of the Hardy boys. Before long, the young sleuths find themselves entangled in the investigation of a notorious band of thieves. In Hardy Boys 11: While the Clock Ticked, suspense builds as the brothers dig deeper into the mystery, risking their own safety to uncover the truth. With each...

A plot to steal a top-secret instrument vital to the United States space program poses a challenging case for Frank and Joe Hardy. After rescuing a South American stowaway who mutters a warning about Footprints Under the Window and then vanishes, Frank and Joe discover that documents belonging to their famous detective father are missing and that footprints linger under...

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 adventure that takes them to Mexico and into the...