The Case of the Invisible Enemy
| First published | December 1940 |
|---|---|
| Type | Short Fiction |
| Length | Novella |
Publications (1)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| December 1940 | Double Detective, December 1940 | The Frank A. Munsey Company | MAGAZINE | 6 |
| First published | December 1940 |
|---|---|
| Type | Short Fiction |
| Length | Novella |
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| December 1940 | Double Detective, December 1940 | The Frank A. Munsey Company | MAGAZINE | 6 |