- SEISHIN SHUYO: Mental Training in Traditional Martial Arts
- Black Belt Brain: Mastering Mental Strength Through Martial Arts Principles and Modern Science
- The Power of Resilience: How to Build Unbreakable Resilience That Lasts a Lifetime (The Mind Power Series)
- The Power of Focus: How to Build Laser Focus That Lasts for Life (The Mind Power Series)
- The Power of Discipline: How to Build Self-Discipline That Lasts for Life (The Mind Power Series)












