

Book details
What Happened at Midnight
Volume #10 in the Hardy Boys Canon (1-58) series
Original edition (1931)
- Ghostwriter: Leslie McFarlane
- Summary: Joe is kidnapped as the clock strikes midnight; after his rescue, the boys travel to New York in pursuit of a ring of diamond smugglers.
Revised edition (1967)
- Revision type: Completely rewritten; some plot elements retained, but new main plot involves the theft of a valuable invention. (More about revisions.)
- Ghostwriter: Tom Mulvey
Cover art (click thumbnail to enlarge)
![]() Rogers, 1931 |
![]() Laune(?), 1946 |
![]() Nappi, 1967 |