| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1969 |
|
Escape into Space | Sidgwick & Jackson | Novel | |
| March 1970 |
|
Rückkehr zur Erde | Goldmann | Novel | |
| October 1970 | Science Fiction Special (2) | Sidgwick & Jackson | Omnibus | ||
| November 1985 |
|
Rückkehr zur Erde | Moewig | Novel | |
| June 2009 |
|
Escape into Space | Linford / Ulverscroft | Novel | |
| September 2011 |
|
Escape into Space | Gateway / Orion | Novel |