| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Katrina Soul Search | 978-0-9754305-2-1 (0-9754305-2-1) | 2006 | Ben Messner · Martin Schoffstall |
| The Art of Listening Prayer: Finding God's Voice Amidst Life's Noise | 978-0-9754305-6-9 (0-9754305-6-4) | 2004 | |
| The Art of Listening Prayer: Mission trip devotional and Journal | 978-0-9754305-7-6 (0-9754305-7-2) | 2009 | |