| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Anabolic Steroids: Ultimate Research Guide | Paperback | 978-1-59975-100-9 | 2006 | Brian Clapp |
| Atlantean Traditions in Ancient Britain | " | 978-0-09-128751-1 | 1977 | |
| Glastonbury: Ancient Avalon, New Jerusalem | " | 978-0-09-132651-7 | 1978 | |
| Sowers of Thunder: Giants in Myth and History | Hardcover | 978-0-09-133290-7 | 1978 | |
| Sowers of Thunder: Giants in Myth and History | Paperback | 978-0-09-133291-4 | 1978 | |