| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1966 |
|
The Twilight Man | Compact Books | Novel | 7 |
| April 1970 |
|
The Twilight Man | Berkley Medallion | Novel | 5 |
| September 1978 |
|
The Shores of Death | Dale Books | Novel | 1 |
| September 1978 |
|
The Shores of Death | Dale Books | Novel | 1 |
| September 1987 |
|
Die Küsten des Todes | Ullstein | Novel | 5 |