| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Chasing Kairos: Where Happiness Comes From | 978-0-692-44230-2 (0-692-44230-8) | 2015 |
| Fiery Cocoon: Beyond Loss and Fear: A Transformative Journey to Freedom by Way of Middle-earth | 978-0-692-50190-0 (0-692-50190-8) | 2015 |