| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Adventures on the Quest | 978-0-87159-191-3 | 1993 | Richard Jafolla |
| Adventures on the Quest: A Companion to the Quest Guidebook | 978-0-87159-274-3 | 1993 | " |
| The Quest: A Journey of Spiritual Rediscovery | 978-0-87159-276-7 | 2002 | " |
| The Quest for Prayer: Coming Home to Spirit | 978-0-87159-241-5 | 1999 | " |
| The Simple Truth: Making Sense of God, Life & Other Stuff | 978-0-87159-247-7 | 1999 | |