Valley of Invisible Men
| First published | March 1939 |
|---|---|
| Type | Short Fiction |
| Length | Novella |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| March 1939 | Amazing Stories, March 1939 | Ziff-Davis Publishing Company | MAGAZINE | 22 |
| November 1972 | Science Fiction Adventure Classics, November 1972 | Ultimate Publishing Co., Inc. | MAGAZINE | 30 |