| title | ISBN-13 | year of publication |
|---|---|---|
| Catastrophe Theory | 978-0-00-635559-5 | 1980 |
| Regulating the Psychological Therapies: From Taxonomy to Taxidermy | 978-1-898059-94-3 | 2007 |
| The Mind Gymnasium | 978-0-07-050569-8 | 1989 |
| The Mind Gymnasium: A New Age Guide to Self-Realization | 978-0-07-050576-6 | 1989 |
HarperCollins · McGraw-Hill · PCCS Books