| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2005 | 978-0-9548387-6-8 | Nash Popovic | Personal Synthesis: A complete guide to personal knowledge |
| 2008 | 978-0-9548387-7-5 | Nash Popovic | The Synthesis |
| '' | 978-0-9548387-8-2 | Ilona Boniwell | Positive Psychology in a Nutshell: A Balanced Introduction to the Science of Optimal Functioning (second edition) |