| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| On Track Leadership: Mastering What Leaders Actually Do | 978-0-8054-4019-5 (0-8054-4019-4) | 2006 |
| Out of Their Faces and Into Their Shoes: How to Understand Spiritually Lost People and Give Them Directions to God | 978-0-8054-6350-7 (0-8054-6350-X) | 1997 |