The Worlds of Tomorrow: The Solar System's Coldest Planet
| First published | April 1940 |
|---|---|
| Type | Short Fiction |
| Series | The Worlds of Tomorrow |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1940 |
|
Captain Future, Spring 1940 | Better Publications, Inc. | MAGAZINE | 112 |
| August 2016 |
|
Captain Future, Spring 1940 | Adventure House | Anthology | 112 |