Book details

The Secret Panel

Volume #25 in the Hardy Boys Canon (1-58) series

Original edition (1946)

• Ghostwriter: Harriet S. Adams
• Summary: The boys' search for a kidnapped doctor leads them to a mysterious mansion whose doors have no visible knobs or locks.

Revised edition (1969)

• Revision type: Minor revisions. (More about revisions.)
• Ghostwriter: Priscilla Baker-Carr

Cover art (click thumbnail to enlarge)

Tandy, 1946

Nappi, 1969