

Book details
While the Clock Ticked
Volume #11 in the Hardy Boys Canon (1-58) series
Original edition (1932)
- Ghostwriter: Leslie McFarlane
- Summary: The boys discover how and why Raymond Dalrymple is receiving threatening notes in a secret room of the old Purdy mansion.
Revised edition (1962)
- Revision type: Completely rewritten; most plot elements retained, but a different villain is added. (More about revisions.)
- Ghostwriter: James Buechler
Cover art (click thumbnail to enlarge)
![]() Gretta, 1932 |
![]() Gillies, 1950 |
![]() Nappi, 1962 |