| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Purpose Economy, Expanded and Updated: How Your Desire for Impact, Personal Growth and Community Is Changing the World | 978-1-943425-99-0 (1-943425-99-X) | 2016 |
| The Purpose Economy: How Your Desire for Impact, Personal Growth and Community Is Changing the World | 978-1-937498-29-0 (1-937498-29-8) | 2014 |