| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1985 |
|
The Secret of Life | Bluejay Books | Novel | 3 |
| November 1986 |
|
Le secret de la vie | Denoël | Novel | |
| April 2003 |
|
Urania #1463 | Mondadori | MAGAZINE | 7 |
| October 2005 |
|
Maître de l'espace et du temps | Denoël | Omnibus | 219 |
| March 2014 |
|
Transreal Trilogy: Secret of Life / White Light / Saucer Wisdom | Transreal Books | Omnibus | 23 |
| June 2014 |
|
Transreal Trilogy: Secret of Life / White Light / Saucer Wisdom | Transreal Books | Omnibus | |1 |
| September 2014 |
|
Transreal Trilogy: Secret of Life / White Light / Saucer Wisdom | Transreal Books | Omnibus | |
| December 2014 |
|
The Secret of Life | Transreal Books | Novel | |
| September 2016 |
|
The Secret of Life | Transreal Books | Novel | |
| September 2019 |
|
The Secret of Life | Night Shade Books | Novel |