The Hidden Universe
| First published | November 1939 |
|---|---|
| Type | Short Fiction |
| Length | Novella |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1939 |
|
Amazing Stories, November 1939 | Ziff-Davis Publishing Company | MAGAZINE | 24 |
| December 1939 |
|
Amazing Stories, December 1939 | Ziff-Davis Publishing Company | MAGAZINE | 80 |
| 1950 |
|
The Hidden Universe | Fantasy Publishing Company, Inc. | Collection | 11 |
| 1952 |
|
Strange Worlds | Fantasy Publishing Company, Inc. | Collection | 11 |
| June 1971 |
|
Science Fiction Adventure Classics, Summer 1971 | Ultimate Publishing Co., Inc. | MAGAZINE | 4 |
| January 2014 |
|
Danger Moon / The Hidden Universe | Armchair Fiction | Anthology | |2 |