According to the author's note in the second edition, this novella "was originally published by Cobblestone Press from October 20th, 2010, until May 8th, 2014. Published anew in April 2015 by Eve Langlais, this book has been expanded from its original version of 26,000 words to 38,500 and features a new cover--plus zombies." It's not clear whether zombies were already present in the first edition.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 2010 | Apocalypse Cowboy | Cobblestone Press | Chapbook | ||
| August 2011 | Apocalypse Cowboy | Cobblestone Press | Chapbook | ||
| March 2015 |
|
Apocalypse Cowboy | Eve Langlais | Chapbook | |
| April 2015 |
|
Apocalypse Cowboy | Eve Langlais | Chapbook |