This short novel first appeared as a serial in Jim Baen's Universe (2007-2008) and is one side of the flip-book collection Countdown to Armageddon / A Stranger in Paradise.
As an ebook, Countdown to Armageddon is available by itself as a novel.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 2007 | Jim Baen's Universe, October 2007 | Baen Books | MAGAZINE | 11 | |
| December 2007 | Jim Baen's Universe, December 2007 | Baen Books | MAGAZINE | 10 | |
| February 2008 | Jim Baen's Universe, February 2008 | Baen Books | MAGAZINE | 9 | |
| April 2008 | Jim Baen's Universe, April 2008 | Baen Books | MAGAZINE | 9 | |
| June 2008 | Jim Baen's Universe, June 2008 | Baen Books | MAGAZINE | 12 | |
| August 2008 | Jim Baen's Universe, August 2008 | Baen Books | MAGAZINE | 10 | |
| October 2008 |
|
Jim Baen's Universe, October 2008 | Baen Books | MAGAZINE | 9 |
| May 2010 |
|
Countdown to Armageddon / A Stranger in Paradise | Wildside Press | Omnibus | 5|1 |
| July 2010 |
|
Countdown to Armageddon | Wildside Press | Novel | |
| December 2022 |
|
Countdown to Armageddon / A Stranger in Paradise | ReAnimus Press | Omnibus | |1 |
| December 2022 |
|
Countdown to Armageddon / A Stranger in Paradise | ReAnimus Press | Omnibus | |5 |
| December 2022 |
|
Countdown to Armageddon / A Stranger in Paradise | ReAnimus Press | Omnibus | |5 |