| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 1973 |
|
Demon Seed | Bantam Books | Novel | 1 |
| June 1997 |
|
Demon Seed | Headline Feature | Novel | 1 |
| July 1997 |
|
Demon Seed | Berkley Books | Novel | |
| December 1997 |
|
Demon Seed | Headline Feature | Novel | |
| 1998 | Koontz III: Whispers / Watchers / Demon Seed | Berkley Books | Omnibus | ||
| January 2007 |
|
Demon Seed | Headline Feature | Novel | |
| August 2009 |
|
Demon Seed | Berkley Books | Novel | |
| May 2010 |
|
Demon Seed | Brilliance Audio | Novel | |
| November 2012 |
|
Demon Seed | Headline | Novel | |
| January 2015 |
|
Demon Seed | Berkley Books | Novel | |
| January 2018 |
|
Demon Seed | Headline | Novel |