| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2004 | 978-0-9747626-0-9 | Joe Landwehr | The Seven Gates of Soul |
| 2007 | 978-0-9747626-1-6 | Joe Landwehr | Tracking The Soul With an Astrology of Consciousness (The Astropoetic Series, one) |
| 2010 | 978-0-9747626-2-3 | '' | Astrology and the Archetypal Power of Numbers (The Astropoetic Series, Vol. 2) |