| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Head and Heart: A Personal Exploration of Science and the Sacred | 978-0-8356-0817-6 (0-8356-0817-4) | 2002 |
| Synchronicity, Science, and Soulmaking: Understanding Jungian Syncronicity Through Physics, Buddhism, and Philosphy | 978-0-8126-9304-1 (0-8126-9304-3) | 1998 |