| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2005 | 978-0-9755003-0-9 | Steve Siebold | 177 Mental Toughness Secrets of the World Class |
| '' | 978-0-9755003-1-6 | '' | 177 Mental Toughness Secrets of the World Class: The Thought Processes, Habits and Philosophies of the Great Ones |