Secret of the Green Invaders
| First published | December 1956 |
|---|---|
| Type | Short Fiction |
| Length | Novella |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| December 1956 | Science Fiction Adventures, December 1956 | Royal Publications, Inc. | MAGAZINE | 51 |
| May 1958 | Science Fiction Adventures, No. 2 | Nova Publications Ltd. | MAGAZINE | 79 |