| Master Mental Toughness Insights into Peak Performance Through Modern Day Science and the Ancient Martial Arts | | | Author:
| Piering, Peder | | ISBN: | 978-0-9976791-0-6 | | Publication Date: | Jun 2016 | | Publisher: | Truths Publishing, LLC
| | Book Format: | Paperback | | List Price: | USD $15.00 |
| |