Hardy Boys 45: The Mystery of the Spiral Bridge
Hardy Boys 45: The Mystery of the Spiral Bridge

Author: Franklin W. Dixon

Publisher: Penguin

Published: 1965-12-01

Total Pages: 193

ISBN-13: 1101076585

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Frank and Joe Hardy are determined to bring to justice the vicious criminals who kidnapped their detective father while he was investigation sabotage of a road-building project in the Kentucky wilderness. After Mr. Hardy’s escape, the two young sleuths are spurred into action when he mumbles the word “Felix” and they discover a dossier of a notorious ex-convict was stolen from his files. The trail leads them to New York City but ends abruptly in a cemetery! With the new clue of a spiral symbol the boys head to Kentucky as part of a highway construction crew to track down the kidnappers and saboteurs.

Hardy Boys
Hardy Boys

Author: Franklin W. Dixon

Publisher:

Published: 1966

Total Pages: 177

ISBN-13:

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Frank and Joe set out on a search for the men who kidnapped their father and for the dossier of an ex-convict that was stolen from him.

Hardy Boys 54: the Mysterious Caravan
Hardy Boys 54: the Mysterious Caravan

Author: Franklin W. Dixon

Publisher: Penguin

Published: 1975-01-01

Total Pages: 193

ISBN-13: 0448089548

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When the Hardy Boys take a winter vacation in Jamaica, Joe finds an ancient bronze death mask washed up near their beach house during a violent storm. Helping the Hardys and their friends in this bizarre mystery is William, a Jamaican boy, who flies to New York with startling news, only to be intercepted and held for ransom—the death mask! Frank and Joe must rescue William, plunge into their father’s airline-ticket theft case, and fly into a maze of danger in Africa.

Hardy Boys 25: The Secret Panel
Hardy Boys 25: The Secret Panel

Author: Franklin W. Dixon

Publisher: Penguin

Published: 1946-01-01

Total Pages: 193

ISBN-13: 1101076399

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Another exciting mystery begins for Frank and Joe when they help a stranger who has had an accident with his car. The man introduces himself as John Mead, owner of a nearby estate. But when the Hardy boys find an odd-looking house key and try to return it, they realize that John Mead died five years ago! They are even more amazed when they find that the intricately carved doors in the deserted mansion have no visible knobs or keylocks. What happens when Frank and Joe discover that there is a link between their father’s case of thieves and the mysterious Mead mansion will keep the reader on edge with thrills and suspense.

Hardy Boys 47: Mystery of the Whale Tattoo
Hardy Boys 47: Mystery of the Whale Tattoo

Author: Franklin W. Dixon

Publisher: Penguin

Published: 1967-12-01

Total Pages: 193

ISBN-13: 1101076607

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One exciting event follows another when Frank and Joe Hardy are hired to apprehend the pickpockets who have been plaguing Solo’s Super Carnival. When their friends Tony Prito and Biff Hooper exhibit a stuffed whale dug up at a construction project, they all but put the carnival out of business. In this thrilling mystery the young detectives pit their wits against a gang of thieves whose bizarre identification, a three-part whale tattoo, proves to be a nearly insolvable riddle.

Hardy Boys 58: The Sting of the Scorpion
Hardy Boys 58: The Sting of the Scorpion

Author: Franklin W. Dixon

Publisher: Penguin

Published: 1978-06-01

Total Pages: 193

ISBN-13: 1101076674

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During Mr. Hardy’s investigation of a ruthless gang of terrorists, Frank and Joe witness an explosion in the sky near an airborne dirigible owned by Quinn Air Fleet. The young detectives look into a clue that takes them into a new animal park outside Bayport, where they are lured into a trap by an unknown enemy. Problems arise for the park owner as he receives pressure from a competitor and a real-estate firm to sell out. Strange occurrences at the park also frighten the visitors and animals. Frank and Joe take up the case despite fore warnings.

Hardy Boys 20: Mystery of the Flying Express
Hardy Boys 20: Mystery of the Flying Express

Author: Franklin W. Dixon

Publisher: Penguin

Published: 1941-01-01

Total Pages: 193

ISBN-13: 1101076348

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A sleek new hydrofoil is scheduled to start ferrying passengers between Bayport and Cape Cutlass. But business enemies of the hydrofoil owner have stirred up a hornets’ nest of violent opposition among small boat owners. Fearing sabotage, he begs Frank and Joe Hardy to guard the Flying Express on her maiden trip. Startling developments plunge the teenage detectives into a dangerous chase by sea, air, and land in pursuit of a gang of hardened criminals who operate by the signs of the Zodiac. Tension mounts when the Flying Express vanishes – and so does Sam Radley, Mr. Hardy’s skilled operative. Peril stalks Frank and Joe’s every moves as they hunt down the terrifying gangleader Zodiac Zig and his vicious henchmen.

Hardy Boys 08: The Mystery of Cabin Island
Hardy Boys 08: The Mystery of Cabin Island

Author: Franklin W. Dixon

Publisher: Penguin

Published: 1929-09-01

Total Pages: 192

ISBN-13: 1101076232

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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 investigators outwit a ruthless foe and succeed in solving both mysteries makes for mounting suspense in this brisk-paced adventure.

Hardy Boys 43: The Mystery of the Aztec Warrior
Hardy Boys 43: The Mystery of the Aztec Warrior

Author: Franklin W. Dixon

Publisher: Penguin

Published: 1964-02-01

Total Pages: 193

ISBN-13: 1101076569

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The handwritten will of a deceased world-traveler is strange and mysterious. Its cryptic instructions are to deliver “the valuable Aztec warrior to the rightful owner, a descendant of an Aztec warrior.” Frank and Joe Hardy have only one slim clue to work with: the name of a complete stranger who can help. Despite the harassments, the threats, and the attacks made upon them, Frank and Joe unravel clue after clue in their adventure-packed search for the living descendant of the mighty Aztec nation which once ruled in Mexico. It takes as much high courage as clever deduction for the young detectives to defeat their ruthless foes and to decipher the fascinating secrets of the strange and mysterious will.