This is the story of the planet Missouri, whose revolutionary goals were to duplicate in the 23rd century the Terrafirman Old West, even if they had to use robot pintos for special effects.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1970 |
|
Six-Gun Planet | Paperback Library | Novel | 5 |
| April 1970 |
|
Six-Gun Planet | Paperback Library | Novel | 5 |
| 1973 |
|
Planète à six-coups | Calmann-Lévy | Novel | |
| August 1978 |
|
Six-Gun Planet | Warner Books | Novel | 5 |
| August 1978 |
|
Six-Gun Planet | Warner Books | Novel | 5 |
| July 2012 |
|
On Wheels / Six-Gun Planet: Two Novels of the Future | Open Road Integrated Media | Omnibus |