| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Becoming a Person of Influence: How to Positively Impact the Lives of Others | 978-0-7852-8839-8 (0-7852-8839-2) | 2006 |
| The 21 Most Powerful Minutes in a Leader's Day: Revitalize Your Spirit And Empower Your Leadership | 978-0-7852-8827-5 (0-7852-8827-9) | 2006 |