Purpose Research · Wyndham Hall Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Journey Home: Preparing for Life's Ultimate Adventure | 978-0-9824278-5-9 (0-9824278-5-9) | 2009 |
| Viktor Frankl's Logotherapy: Method of Choice in Ecumenical Pastoral Psychology | 978-1-55605-364-1 (1-55605-364-9) | 2004 |