| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Operation World: Prayer Calendar | 978-1-884543-59-3 (1-884543-59-6) | 2003 | Patrick Johnstone · Jason Mandryk |
| The Natural Laws of Good Luck: A Memoir of an Unlikely Marriage | 978-1-59030-691-8 (1-59030-691-0) | 2009 | |