Code of the Samurai is a four-hundred-year-old explication of the rules and expectations embodied in Bushido, the Japanese Way of the Warrior. Bushido has played a major role in shaping the behavior of modern Japanese government, corporations, society, and individuals, as well as in shaping modern Japanese martial arts within Japan and internationally.

The Japanese original of this book, Bushido Shoshinshu, (Bushido for...