| Release: | Feb 1941 |
| Cover: | Feb 1941 |
The Secret Cavern
| Release: | Feb 1941 |
| Cover: | Feb 1941 |
A man discovers a limestone cave that runs right under the Fort Stox gold vault. When the criminal element learns of his discovery, they put pressure on him that forces him to realize the magnitude of this discovery. He tries to keep the secret, but when they draw his daughter into things, he has no choice but to cooperate.
| Writer | Bill Finger |
| Penciller | Bob Kane |
| Batman | Bruce Wayne |
| Robin | Dick Grayson |
| Age | Golden Age |
|---|---|
| Format | Comic |
| Series Group | Batman |
| Genre | Adventure | Crime | Super-Heroes |
| No. of Pages | 64 |
| Country | USA |
| Language | English |