Learning self-defense techniques in form only is meaningless. One should find the techniques and spirit of self-defense in everyday life—Kenji Kurosaki, known as the "ogre" of the martial arts world, speaks about modern practical self-defense. Table of Contents Chapter 1: The "Spirit" Techniques of Self-Protection Chapter 2: Techniques to Acquire Through Self-Training Chapter 3: Daily Training Methods Chapter 4: What to Learn from the Battlefield The condition is generally good, but there is yellowing on the endpapers, and as shown in image 9, the paper on the inside of the cover has come loose from its original position due to aging.