| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The Quest for the Celtic Key | Paperback | 978-1-84282-084-1 (1-84282-084-2) | 2005 | Karen Ralls-MacLeod |
| The Quest for the Celtic Key | Hardcover | 978-0-946487-73-8 (0-946487-73-1) | 2002 | " |
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