| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1964 |
|
Demons' World / I Want the Stars | Ace Books | Omnibus | 5|200 |
| 1965 |
|
The Demons | Compact Books | Novel | 7 |
| June 1966 |
|
Im Reich der Dämonen | Moewig | Novel | |
| July 1981 |
|
Im Reich der Dämonen | Pabel | Novel | 7 |
| September 2011 |
|
The Demons | Gateway / Orion | Novel |