| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1967 |
|
In the Days of the Comet | Berkley Highland | Novel | |
| May 1969 |
|
In the Days of the Comet | Berkley Highland | Novel | |
| August 1970 |
|
In the Days of the Comet | Berkley Highland | Novel | |
| April 2014 |
|
In the Days of the Comet | Armchair Fiction | Novel |