| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Avebury Cycle | Hardcover | 978-0-500-05030-9 | 1977 |
| Ireland a Sacred Journey | Paperback | 978-1-86204-546-0 | 2000 |
| Ireland: A Sacred Journey | Hardcover | 978-1-86204-446-3 | 1999 |
| Merlin and Wales: A Magician's Landscape | Paperback | 978-0-500-28496-4 | 2004 |
| Mythic Ireland | " | 978-0-500-27872-7 | 1996 |
| Mythic Ireland | Hardcover | 978-0-500-01530-8 | 1992 |
| Roman Silbury and the Harvest Goddess | Paperback | 978-1-905646-06-7 | 2007 |
| Silbury: Resolving the Enigma | " | 978-0-7524-5450-4 | 2010 |
| Taliesin's Travels: A Demi-god at Large | " | 978-1-872883-89-2 | 2005 |
| The Avebury Cycle | " | 978-0-500-27886-4 | 1996 |
| The Silbury Treasure: The Great Goddess Rediscovered | " | 978-0-500-27140-7 | 1978 |
Element · Heart of Albion Press · Thames and Hudson Ltd · The History Press