W.W. · Wendy K. Williamson · Wendy Willems · Wendy Williams
| title | ISBN-13 | year of publication |
|---|---|---|
| Christian Martial Arts 101 | 978-0-9721328-1-7 | 2004 |
| Martial Arts: The Christian Way | 978-0-9721328-0-0 | 2002 |
| Study Abroad 101 | 978-0-9721328-4-8 | 2008 |
| Study Abroad 101 | 978-0-9721328-3-1 | 2004 |