| title | ISBN-13 | year of publication | |
|---|---|---|---|
| Hidden Connections Determine Our Earth-Life: Coming into Being of Man in the Law of Rebirth | 978-3-87860-168-5 | 1989 | |
| How Can God Allow Such Things? | 978-1-57461-009-3 | 1996 | |
| How is it That We Live After Death and What is the Meaning of Life | 978-3-87860-239-2 | 1982 | |
| Por qué vivimos después de la muerte | 978-84-88351-11-1 | 1992 | |
| Pourquoi vivons-nous après la mort? | 978-2-900811-64-1 | ||
| Why Was I Born? Bridging Birth and Justice | 978-1-57461-013-0 | 1997 | |
| Why We Live After Death | 978-1-57461-005-5 | 1995 |
Editions du Graal · Grail Foundation Pr · Gralsbotschaft · Publicaciones Hispanas del Grial