N.P. · Nathan Butler · P. Butler
CreateSpace Independent Publishing Platform · Grail Quest Books
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Saga on Home Video: A Fan's Guide to U.S. Star Wars Home Video Releases | 978-1-5455-5088-5 (1-5455-5088-3) | 2017 | |
| Greater Good | 978-0-9835488-1-2 (0-9835488-1-1) | 2012 | |
| Wars: The Battle of Phobos - Preludes | 978-0-9835488-0-5 (0-9835488-0-3) | 2011 | Sean E. Williams · Jim Perry |