The Secret of Skull Mountain
Volume #27 in the Hardy Boys Canon (1-58) series
Original edition (1948)
- Ghostwriter: George Waller Jr.
- Summary: The boys avert a crisis when they discover the reason why water is disappearing from a new reservoir in Bayport.
Revised edition (1966)
- Revision type: Minor revisions. (More about revisions.)
- Ghostwriter: David Grambs
Cover art (click thumbnail to enlarge)