| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1967 |
|
Druids' World | Avalon Books | Novel | |
| November 1995 |
|
Science Fiction: The Gold Collection, Volume 2 | Global Interactive Corporation | Omnibus | |
| April 2007 |
|
A Galaxy Trilogy: Star Ways, Druids' World, and The Day the World Stopped | Blackstone Audiobooks | Omnibus | |2 |
| April 2007 |
|
A Galaxy Trilogy: Star Ways, Druids' World, and The Day the World Stopped | Blackstone Audiobooks | Omnibus | |
| April 2007 |
|
A Galaxy Trilogy: Star Ways, Druids' World, and The Day the World Stopped | Blackstone Audio | Omnibus | |
| June 2008 |
|
Druids' World | Electronic & Database Publishing | Novel |