| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1996 | Koontz II: The Voice of the Night / Darkfall / Midnight | Berkley Books | Omnibus | ||
| March 1996 | Darkfall | Berkley Books | Novel | ||
| January 1998 | Darkfall | Berkley Books | Novel | ||
| December 1999 | Darkfall | Berkley Books | Novel | ||
| February 2007 |
|
Darkfall | Berkley Books | Novel | |
| February 2007 |
|
Darkfall | Berkley Books | Novel | |
| May 2008 |
|
Darkfall | Brilliance Audio | Novel | |
| May 2008 |
|
Darkfall | Brilliance Audio | Novel | |
| May 2008 |
|
Darkfall | Brilliance Audio | Novel | |
| June 2008 |
|
Darkfall | Brilliance Audio | Novel | |
| November 2012 |
|
Darkfall | Headline | Novel | |
| September 2014 |
|
Darkfall | Berkley Books | Novel | |
| May 2016 |
|
Darkfall | Headline | Novel |