| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The World According to Michael: An Old Soul's Guide to the Universe | 978-0-942531-39-8 (0-942531-39-6) | 1992 |
| Upcoming Changes: The Next Twenty Years | 978-0-942531-33-6 (0-942531-33-7) | 1992 |
| World According to Michael: An Old Soul's Guide to the Universe | 978-0-942531-00-8 (0-942531-00-0) | 1987 |