| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Developing Mental Toughness: Teaching the Game of Life | 978-1-4389-7511-5 (1-4389-7511-2) | 2009 |
| Mental Toughness: Understanding the Game of Life | 978-1-4389-0464-1 (1-4389-0464-9) | 2008 |
D S · D. T. · D.W. · Dr. S. · S. W. · T.S. · T W · Timothy S.