Avalon Travel Publishing · HarperCollins · Jossey-Bass · iUniverse, Inc.
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| God on Your Own: Finding A Spiritual Path Outside Religion | 978-0-7879-8312-3 | 2006 |
| Live Better Longer: The Parcells Center 7-Step Plan for Health and Longevity | 978-0-595-16361-8 | 2008 |
| Live Better Longer: The Parcells Center 7-Step Plan For Health and Longlivity | 978-0-06-251422-6 | 1997 |
| On Silence: 30 Days to a Powerful Spiritual Practice | 978-0-595-28817-5 | 2003 |
| The Way of the Traveler: Making Every Trip a Journey of Self-Discovery | 978-1-56691-449-9 | 2002 |