The Secret of the Caves (Hardy Boys, Book 7) - 5743

Triggered by the disappearance of a brilliant young professor, this mystery takes the Hardy boys first to Kenworthy College, where they find a puzzling message on an examination paper. But then, a new clue is unearthed that sends the young detectives to the Honeycomb Caves. After many dangerous encounters, Frank and Joe discover a powerful searchlight in one of the craggy caverns along the seacoast. In the brilliant white glare of the searchlight, the startling secret of the caves is dramatically revealed.
ASIN: 0448089076
VSKU: PKV.0448089076.VG
Condition: Very Good
Author/Artist:Dixon, Franklin W.
Binding: Hardcover