| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1967 |
|
The Time Hoppers | Doubleday | Novel | |
| August 1967 |
|
The Time Hoppers | Doubleday / SFBC | Novel | 1 |
| 1968 |
|
Os intemporais | Galeria Panorama | Novel | |
| March 1968 |
|
Urania #483 | Mondadori | MAGAZINE | 3 |
| June 1968 |
|
The Time Hoppers | Sidgwick & Jackson | Novel | |
| August 1968 |
|
Flucht aus der Zukunft | Moewig | Novel | |
| October 1968 |
|
The Time Hoppers | Avon | Novel | 9 |
| October 1968 |
|
The Time Hoppers | Avon | Novel | 9 |
| April 1970 |
|
A Robert Silverberg Omnibus | Sidgwick & Jackson | Omnibus | [3]|3 |
| May 1970 |
|
The Time-Hoppers | Tandem | Novel | 7 |
| 1971 | Science Fiction Special (3) | Sidgwick & Jackson | Omnibus | ||
| August 1974 |
|
The Time Hoppers | Belmont Tower | Novel | |
| 1977 |
|
The Time Hoppers | Leisure Books | Novel | 1 |
| April 1978 |
|
Quellen, guarda il passato! | Mondadori | Novel | |
| September 1978 |
|
Les déserteurs temporels | Casterman | Novel | |
| March 1979 |
|
The Time Hoppers | Fontana | Novel | 7 |
| February 1982 |
|
The Time Hoppers | Ace Books | Novel | 1 |
| February 1982 |
|
Zeitspringer | Goldmann | Novel | 7 |
| February 1986 |
|
Les déserteurs temporels | Presses Pocket | Novel | |
| March 1988 |
|
The Time Hoppers | VGSF | Novel | 1 |
| August 2001 |
|
Cronos | ibooks | Omnibus | 249 |
| January 2004 |
|
Time opéra | Le Bélial' | Omnibus | 9 |
| March 2006 |
|
Les déserteurs temporels | Le Livre de Poche | Novel | 7 |
| September 2011 |
|
The Time Hoppers | Gateway / Orion | Novel |