| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1971 |
|
The Submarine Mystery | Bantam Books | Chapbook | |
| 1973 |
|
Mysteriet om undervandsbåden | SV Press | Chapbook | |
| October 1978 |
|
Angriff aus der Tiefe | Pabel | Chapbook |