Fables of the Future: Obstacle!
| First published | March 1950 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1950 |
|
Amazing Stories, March 1950 | Ziff-Davis Publishing Company | MAGAZINE | 192 |
| October 1950 |
|
Amazing Stories Quarterly (Reissue), Fall 1950 | Ziff-Davis | MAGAZINE | 192 |24 |