An in-depth, sometimes whimsical look into the physics behind effective fighting techniques and e...

This book is designed to help readers understand depression and make positive changes to overcome...

Scientific Jiu-Jitsu

Peak Performance: the intersection of martial arts, science, and personal growth.

Scientific Jiu-Jitsu

Superconsciousness--where ordinary people can do extraordinary things

Peak Performance: the intersection of martial arts, science, and personal growth.

Powerful and effective striking provides an extra layer of depth and complexity to one's martial ...

Superconsciousness--where ordinary people can do extraordinary things

This book stands alone as an introduction to the context of self-defense. There are seven element...

When Kenichi Ota retires he is the same age as his karate teacher Chojun Miyagi was when he died....

Michael Clarke was a street fighter, an angry, vicious kid. He grew up in the late sixties and ea...