The Invisible World
| First published | October 1940 |
|---|---|
| Type | Short Fiction |
| Length | Novelette |
Publications (4)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| October 1940 | Amazing Stories, October 1940 | Ziff-Davis Publishing Company | MAGAZINE | 48 |
| 1941 | Amazing Stories Quarterly (Reissue), Summer 1941 | Ziff-Davis | MAGAZINE | 48 |3 |
| December 2013 | Amazing Stories, October 1940 | Pulp Tales Press | Anthology | 48 |
| December 2016 | Novelettes Eligible for the 1941 Retro-Hugos | von Dimpleheimer Press | Anthology | |47 |