| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Somewhere I Have Never Travelled: Second Self and the Hero's Journey in Ancient Epic | 978-0-19-507149-8 (0-19-507149-2) | 1991 |
| Somewhere I Have Never Travelled: The Hero's Journey | 978-0-19-510127-0 (0-19-510127-8) | 1996 |