| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Building A Christian Community Of Friends: The Foundations: 4 Practical Studies On Biblical Friendship | 978-0-692-39351-2 (0-692-39351-X) | 2015 |
| Changing Places: Understanding The Process Of Transition | 978-0-692-31696-2 (0-692-31696-5) | 2013 |
| Life-Ol-Ogy: Mastering the study of your life, your team, your profession and your customers | 978-0-692-30600-0 (0-692-30600-5) | 2014 |