Mental Toughness and True Grit: Develop an Unbeatable Mindset, the Self-Discipline to Succeed, Achieve a Champion's Mind, the Willpower of a Navy Seal, and Become an Elite Spartan with Self-Control
| Country | USA |
| Brand | New Directions |
| Manufacturer | New Directions |
| Binding | Paperback |
| ItemPartNumber | illustrations |
| Color | Tan |
| ReleaseDate | 1991-10-17 |
| UnitCount | 1 |
| EANs | 9780811211956 |