| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Positive Psychology in a Nutshell: A Balanced Introduction to the Science of Optimal Functioning | 978-0-9548387-8-2 (0-9548387-8-5) | 2008 | |
| The Happiness Equation: 100 Factors That Can Add To or Subtract From Your Happiness | 978-1-60550-034-8 (1-60550-034-8) | 2008 | Bridget Grenville-Cleave · Tina B. Tessina |