D.W. · Lucas P. de Witte · P W.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| What You Don't Know About Turning 50...: A Funny Birthday Quiz | 978-0-88166-342-6 (0-88166-342-5) | 2000 |
| What You Don't Know About Turning 60: A Funny Birthday Quiz | 978-0-684-04002-8 (0-684-04002-6) | 2006 |