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| Author/Contributor(s): |
Dixon, Franklin W.
|
| Publisher: |
Grosset & Dunlap
|
| Date: |
5/1/1929
|
| Binding: |
Hardcover
|
| Condition: |
NEW
|
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.
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