| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| A Single Hand Cannot Applaud: The Value of Using the Book of Proverbs in Sharing the Gospel with Muslims | 978-3-941750-07-4 (3-941750-07-0) | 2011 |
| Sharing Lives: Overcoming Our Fear of Islam | 978-3-941750-22-7 (3-941750-22-4) | 2010 |