"In a world of mystery and silence, terror always strikes without warning!
Long-lost treasure beckons Frank and Joe to a deep-sea adventure in the Bahamas. The Hardys join a crew of divers seeking to unlock the gold-laden vaults of a long-ago shipwreck. But promise soon turns to peril as the treasure hunters become the hunted -- and the Hardy boys become the targets of sabotage!
Frank and Joe discover that beneath the ocean's surface lurk the deepest dangers. They plunge into a world of supercharged speedboat chases and underwater combat and are drawn into a deadly game in which the winners go for the gold and the losers go to the sharks!"
(Hardy Boys Encyclopedia 1991)
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Featured Series
27 primary booksThe Hardy Boys Casefiles is a 27-book series with 27 primary works first released in 1987 with contributions by Franklin W. Dixon, Jacqueline Carroll, and 2 others.
