| title | ISBN-13 | year of publication |
|---|---|---|
| Afterlife Knowledge Guidebook: A Manual for the Art of Retrieval and Afterlife Exploration | 978-1-57174-450-0 | 2005 |
| Michi eno tabidachi. | 978-4-89295-528-0 | 2005 |
| Podroz do ojca ciekawosci | 978-83-925906-0-6 | 2009 |
| Tamashii no kyushutsu. | 978-4-89295-544-0 | 2006 |
| Voyage Beyond Doubt | 978-1-57174-101-1 | 1998 |
| Voyages into the Afterlife: Charting Unknown Territory | 978-1-57174-139-4 | 1999 |
| Voyages into the Unknown | 978-1-57174-068-7 | 1997 |
| Voyage to Curiosity's Father | 978-1-57174-203-2 | 2001 |
Hampton Roads Publishing · Manawa · ハート出版 (haーtoshuppan)