D.K · Dean Keefer · Denny Kuiper · Don Keeber
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| When Father Is A Bad Word: Entering an intimate relationship with the Heavenly Father... | 978-0-9882479-0-1 (0-9882479-0-9) | 2013 |
| When Father is a Bad Word, Study Guide | 978-0-9882479-1-8 (0-9882479-1-7) | 2014 |