| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Outcasts of Picture Rocks | 978-1-4458-8732-6 (1-4458-8732-0) | 2012 | |
| The Throwback: A Western Duo | 978-1-4458-5674-2 (1-4458-5674-3) | 2011 | |
| The Wild-West: A Western Trio | 978-1-4713-2132-0 (1-4713-2132-0) | 2013 | Robert J. Horton · Walt Coburn |