Joe and Frank suspect there is a link between the counterfeiting case they are investigating, and the case their father can't discuss. Determined to learn the secret, the Hardy Boys get themselves into a scrape.
"Joe and Frank suspect there is a link between the counterfeiting case they are investigating, and the case their father can't discuss. Determined to learn the secret, the Hardy Boys get themselves into a scrape."@en
""Drop case or else danger for you and your family." This warning addressed to Fenton Hardy not only alarms the famous investigator and his detective sons, but also puzzles them, because Mr. Hardy is working on more than one case. Which one prompted the threat? When more ominous warnings follow, Frank and Joe suspect there is a link between the counterfeiting case they are investigating and a secret case their father cannot discuss since it involves national security. The key to the solution of both cases appears to be hidden in the old Turner mill, constructed in frontier days but now a gatehouse for Elekton Controls Limited engaged in manufacturing top-secret electronic parts for space missiles. But the Milhouse is occupied by two Elekton employees who are hostile to Frank and Joe and refused to allow the young detectives to question the company's fourteen-year-old messenger boy who unknowingly may be in possession of some vital 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 in a subterranean passageway. How the young detectives extricate themselves from this dangerous situation and unravel both mysteries will keep the reader tense with suspense. - Flyleaf."@en
"The Hardy boys determined to learn the secret to the old mill employ a clever ruse to gain entrance only to find themselves trapped in a subterranean passageway."@en
"The Hardy boys determined to learn the secret to the old mill employ a clever ruse to gain entrance only to find themselves trapped in a subterranean passageway."
"The Hardy Boys suspect a link between a counterfeiting case and mysterious activity at an old mill."@en
"Frank and Joe Hardy solve the mystery of the old mill."@en
"A warning threat, a counterfeiting case and a secret involving national security lead the boys to the old Turner Mill, where Elekton Controls now manufactures top-secret space missile parts."@en
"Frank and Joe feel that the solution to a counterfeit case and one their father is investigating is hidden in an old mill that is used for making secret parts for missiles."@en
"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."@en
"Teenage detectives Frank and Joe Hardy investigate a case of counterfeiting."
"Teenage detectives Frank and Joe Hardy investigate a case of counterfeiting."@en
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Counterfeits and counterfeiting Children's fiction.
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Hardy boys (Fictitious characters) Juvenile fiction.
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