| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The True Cost of Happiness: The Real Story Behind Managing Your Money | Paperback | 978-0-470-49657-2 (0-470-49657-6) | 2009 | Paula Boyer Kennedy |
| The True Cost of Happiness: The Real Story Behind Managing Your Money | Hardcover | 978-0-470-13906-6 (0-470-13906-4) | 2007 | " |