| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Soul Currency: Investing Your Inner Wealth for Fulfillment & Abundance | 978-1-57731-851-4 (1-57731-851-X) | 2009 |
| Soul Currency: Investing Your Inner Wealth for Fulfillment and Abundance | 978-1-57731-624-4 (1-57731-624-X) | 2008 |