Trade Secret
| First published | November 1953 |
|---|---|
| Type | Short Fiction |
| Length | Novella |
| Series | Martin Nagle |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| November 1953 | Astounding Science Fiction, November 1953 | Street & Smith Publications, Inc. | MAGAZINE | 10 |
| April 1954 | Astounding Science Fiction, April 1954 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 6 |