| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| Positive Thinking & Witchcraft. A Brief History of the New Age Movement | 978-3-668-04519-4 (3-668-04519-4) | 2015 |
| The resurgence of spirit in medicine. A return to our holistic roots | 978-3-668-04923-9 (3-668-04923-8) | 2015 |