| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2007 | 978-1-903353-02-8 | Sue Tompkins | The Contemporary Astrologer's Handbook: An In-Depth Guide to Interpreting Your Horoscope (Astrology Now) |
| '' | 978-1-903353-04-2 | Howard Sasportas (contributors: Liz Greene · Darby Costello · Melanie Reinhart · Erin Sullivan · Laura Boomer-Trent) | The Twelve Houses (2007 Edition): Exploring the Houses of the Horoscope |