| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1967 |
|
The Spook Legion | Bantam Books | Novel | |
| March 1967 |
|
The Spook Legion | Bantam Books | Novel | |
| July 1967 |
|
The Spook Legion | Bantam Books | Novel | |
| January 1968 |
|
The Spook Legion | Bantam Books | Novel | |
| October 1968 |
|
The Spook Legion | Bantam Books | Novel | |
| 1969 |
|
La légion fantôme | Marabout | Novel | |
| July 1973 |
|
Die unsichtbare Legion | Pabel | Novel | |
| August 1977 |
|
The Spook Legion | Bantam Books | Novel |