| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Confident Conversations: Easy Answers to Tough Questions | 978-0-9722332-0-0 (0-9722332-0-2) | 2002 |
| Conversations pleines d'assurance | 978-2-922882-08-7 (2-922882-08-X) | 2002 |
| The Currency of the Future | 978-0-9722332-3-1 (0-9722332-3-7) | 2005 |