The Mental Toughness Challenge Journal: A 90-Day Journey of Discipline, Resilience, and Progress — With Daily Checklists, Prompts, and Progress Tracking for Your Mind, Body, and Habits
| Country | USA |
| Brand | Berkley |
| Manufacturer | Berkley |
| Binding | Hardcover |
| ItemPartNumber | 9780451471116 |
| Color | Multicolor |
| ReleaseDate | 2016-06-21 |
| UnitCount | 1 |
| EANs | 9780451471116 |