| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1979 |
|
Masters of Space | Jove / HBJ | Novel | 5 |
| January 2009 |
|
Triplanetary | Cosmos Books / Dorchester Publishing | Omnibus | 185 |
| December 2012 |
|
Masters of Space | Gateway / Orion | Novel | |
| August 2015 |
|
The E. E. "Doc" Smith Megapack | Wildside Press | Omnibus | |
| December 2018 |
|
Sci-Fi Ultimate Collection | Musaicum Books / OK Publishing | Omnibus | |150 |
| December 2018 |
|
Sci-Fi Boxed Set: 160+ Space Adventures, Lost Worlds, Dystopian Novels & Apocalyptic Tales | Musaicum Books | Omnibus | |150 |