| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The 2010 Astrotheology Calendar | 978-0-9799631-3-1 (0-9799631-3-3) | 2009 | D. M. Murdock · Acharya S |
| The 2011 Astrotheology Calendar | 978-0-9799631-5-5 (0-9799631-5-X) | 2010 | D. M. Murdock · Acharya S |