Brill · The Wessex Astrologer Ltd
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Temperament - Astrology's Forgotten Key | 978-1-902405-17-9 (1-902405-17-X) | 2005 |
| The Daimon in Hellenistic Astrology: Origins and Influence | 978-90-04-30620-2 (90-04-30620-X) | 2015 |