"The Hardy Boys 1: The Tower Treasure"
Grosset & Dunlap
Language: English
Published in 1959.
Contains the first Hardy Boys story, The Tower Treasure, by Franklin W. Dixon in 180 pages, with black and white illustrations.
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The story begins with Frank and Joe Hardy barely avoiding being hit by a speeding driver whom they notice has bright red hair. Later, this same red-haired driver attempts a ferryboat ticket office robbery and successfully steals a yellow jalopy called Queen from the Hardys' friend, Chet Morton. Due to one witness reporting that the villain had dark hair, the Hardys assume he is using a red wig. It is learned that the thief returned to Chet's home to steal a tire, helping Frank and Joe to find Queen abandoned in a public wooded area."
"The Hardy Boys 2: The House On The Cliff"
Grosset & Dunlap
Language: English
Published in 1959.
Contains the Hardy Boys story The House On The Cliff by Franklin W. Dixon in 180 pages, with black and white illustrations.
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Fenton Hardy, the famous private detective and father of the Hardy Boys, asks his sons to help him with his latest case involving a criminal named Snattman and the illegal drug trade smuggling of stolen drugs. Hardy directs Frank and Joe to a house on the cliff, whose location overlooking Barmet Bay offers an excellent vantage point to watch for smugglers. The Hardys are tricked into the house by cries for help, and are trapped for a short time in the attic; meanwhile, their telescope and motorcycles are damaged, possibly by the smugglers."
"The Hardy Boys 14: The Hidden Harbor Mystery"
Grosset & Dunlap
Language: English
Published in 1961.
Contains the Hardy Boys story The Hidden Harbor Mystery by Franklin W. Dixon in 177 pages, with black and white illustrations.
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The Hardy boys meet Mr. Bart Worth who is the editor of the Larchmont Record. He explains that Mr. Samuel Blackstone has sued him for printing a story accusing his ancestors of being pirates. Mr. Worth also tells the Hardy boys about the long standing feud between the Blackstone and the Rand families over ownership of a pond in Hidden Harbor.
The Hardy boys accept Mr. Worth’s case and, along with their friend Chet Morton, drive to Georgia. Once they have set up a camp on the beach between the two properties the boys begin to investigate the Rand and the Blackstone estates."
"The Hardy Boys 15: The Sinister Signpost"
Grosset & Dunlap
Language: English
Published in 1968.
Contains the Hardy Boys story The Sinister Signpost by Franklin W. Dixon in 175 pages, with black and white illustrations.
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This story begins with Frank and Joe Hardy driving home along Shore Road when they have an accident with a dragster. When they arrive home their father, Fenton Hardy, tells them about a new case he has taken on for Alden Automotive Research and Development Company, with which he would like the boys' help. Mr. Hardy explains that Mr. Alden believes someone is trying to steal the plans for a secret new engine he is designing, and that two of his racing cars which were equipped with new engine had strange accidents in which their windshields suddenly turned milky white, just after passing a road sign warning “DANGER”. While they are discussing the case someone fires a smoke grenade into their house with a warning attached, telling them to "drop the Alden case"."
"The Hardy Boys 39: The Mystery Of The Chinese Junk"
Grosset & Dunlap
Language: English
Published in 1960.
Contains the Hardy Boys story The Mystery Of The Chinese Junk by Franklin W. Dixon in 184 pages, with black and white illustrations.
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The Hardys purchase a Chinese junk named the Hai Hau to ferry passengers to Rocky Isle and make some extra money. Four mysterious men also are interested in the boat because of treasure hidden inside the Hai Hau."
"The Hardy Boys 45: The Mystery Of The Spiral Bridge"
Armada Books
Published in 1974, first Armada publishing.
First published in 1972 by Grosset & Dunlap.
Contains the Hardy Boys story The Mystery Of The Spiral Bridge by Franklin W. Dixon in 156 pages, with black and white illustrations.
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The Hardy Boys track down the saboteurs who kidnapped their father, and have to keep them from blowing up a bridge near Boontown, Kentucky. The bridge is being built by Tony Pritos fathers construction company. Mr Hardy is ill most of the story. The Villains are mostly ex-crooks who wants that area of the bridge for themselves."
"The Hardy Boys 60: Mystery Of The Samurai Sword"
Wanderer Books
Language: English
Published in 1979.
In paperback format, contains the Hardy Boys story Mystery Of The Samurai Sword by Franklin W. Dixon in 179 pages, with black and white illustrations.
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Shortly after his arrival in the United States, a Japanese business tycoon mysteriously disappears. Mr. Hardy, who had been entrusted with the man's security, is baffled and shocked. He feels even worse when the FBI takes him off the case.
Hower his sons, Frank and Joe, are there to investigate. A valuable samurai sword, said to have belonged to the missing tycoon's family for generations, is stolen from an auction gallery in New York, and the boys suspect a connection. One clue leads to another, and danger confronts them constantly on their search for the solution to the puzzle."
"The Hardy Boys 67: The Outlaw's Silver"
Armada Books
Language: English
Published in 1983, first Armada publishing.
Originally published by Wanderers Books in 1981.
In paperback format, contains the Hardy Boys story The Outlaw's Silver by Franklin W. Dixon in 190 pages, with black and white illustrations.
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The Outlaw's Silver is the title of a Hardy Boys Digest novel, written by Franklin W. Dixon. Sometimes it goes by the number of 67 in the series, a continuation of the original novels, and sometimes as the 9th, as it is the 9th published after Grosset & Dunlap lost rights to publish new Hardy Boys books in 1979.
The Hardy Boys are given clues which send them in search of the treasure hidden by the Outlaw of the Pine Barrens."