The Hardy boys are called on to help investigate the strange happenings at the dam and reservoir on Skull Mountain and what is causing the water to disappear every night.
Hardy Boys (Fictitious characters)
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Author:Dixon, Franklin W.Summary: -
Author:Dixon, Franklin W.Summary:The Hardy boys investigate a dispute over a mysterious pond and rumors of piracy in Georgia.
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Author:Dixon, Franklin W.Summary:The Hardy boys go to the Pocono Mountains to help a friend of their father find out what is behind the mysterious happenings at Black Hollow, and in the process help their father solve a case involving a ring of thieves.
