| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1967 |
|
Space Hostages | Hamish Hamilton | Novel | |
| May 1968 |
|
Nove nello spazio | Emme Edizioni | Novel | |
| 1969 |
|
Space Hostages | The Macmillan Company | Novel | |
| August 1969 |
|
Space Hostages | Hamish Hamilton | Novel | |
| May 1970 |
|
Space Hostages | Penguin Books | Novel | |
| 1971 |
|
Space Hostages | Puffin | Novel | 5 |
| 1972 |
|
Science Fiction (Box Set) | Puffin | Omnibus | |
| 1976 |
|
Space Hostages | Puffin | Novel | |
| 1978 |
|
Space Hostages | Puffin | Novel | |
| 1978 |
|
A Puffin Science Fiction Galaxy | Puffin | Omnibus | |
| 1980 |
|
Space Hostages | Puffin Books in association with Hamish Hamilton | Novel | |
| February 1984 |
|
Space Hostages | Kestrel Books | Novel | |
| June 1991 |
|
Extraterrestrial Tales | Puffin / Penguin Books (UK) | Omnibus | 125 |