| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Apologetics of Jesus: A Caring Approach to Dealing with Doubters | 978-0-8010-7186-7 (0-8010-7186-0) | 2009 | Norman L. Geisler |
| Unless I See Is There Enough Evidence to Believe? | 978-1-4627-0620-4 (1-4627-0620-7) | 2011 | |
| Unless I See ... Is There Enough Evidence to Believe? | 978-1-4627-0621-1 (1-4627-0621-5) | 2011 | |