| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| I am Rock - Medicine | 978-0-9653352-1-8 (0-9653352-1-6) | 1996 |
| Rock-Medicine: Earth's Healing Stones From A to Z; A Guide to the Practical Use of Rocks, Crystals & Gemstones | 978-0-9653352-7-0 (0-9653352-7-5) | 2004 |