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 |
| Manufacturer | Main Street Books |
| Binding | Paperback |
| ReleaseDate | 1965-04-07 |
| UnitCount | 1 |
| EANs | 9780385087278 |