| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The 7 Secrets of the Prolific: The Definitive Guide to Overcoming Procrastination, Perfectionism, and Writer's Block | 978-0-9836454-0-5 (0-9836454-0-X) | 2011 |
| The Lifelong Activist: How to Change the World without Losing Your Way | 978-1-59056-090-7 (1-59056-090-6) | 2006 |