Synopsis
WorldCat: Space prospectors accidentally stumble across a lost underground race of Plutonians.
Publications (4)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| 1949 | Fantastic Adventures Quarterly, Winter 1949 | Ziff-Davis Publishing Company | MAGAZINE | 6 |
| July 1949 | Fantastic Adventures, July 1949 | Ziff-Davis Publishing Company | MAGAZINE | 6 |
| May 2014 | The Robot Men of Bubble City / Dragon Army | Armchair Fiction | Anthology | |1 |
| January 2017 | The Robot Megapack | Wildside Press | Anthology |