Renowned budo (martial arts) and ninja grandmaster Hatsumi explains how Japanese sword fighting embodies the essence of budo and the spirit of the samurai. For centuries, sword masters like Miyamoto Musashi have been revered, and have fascinated and inspired people everywhere. Now, in his definitive work, Masaaki Hatsumi, the world's most famous living budo and ninja grandmaster, shares his vast knowledge of Japanese sword fighting as it's been practiced through the ages: its history, techniques, styles, and core philosophies, along with the deepest secrets of this venerable martial art.