In the tradition of "The Martial Artist's Book of Five Rings," one of America's most experienced teachers of karate offers new interpretations of fundamental martial arts texts. The book includes new translations of essays on leadership, correct behavior, character, and values. "Hereditary Manual of Fighting Techniques" by Yagyu Tajimanokami Munenori explores the relationship between Zen philosophy and warfare and the mental preparation for successful fighting. In "The Ultimate Sword," Takuan Soho describes the unremitting effort that must be undertaken to become a true master of strategy. He uses key aspects of sword-fighting strategy to shed light on the path to self-realization in "The Miracle of Immovable Wisdom." Kotoda Yahei Toshisada emphasizes the importance of training and learning techniques over theory in 'Technical Study of Kenpo." In "The School of Two Heavens," Musashi Miyamoto applies the principles of sword fighting to military arts and politics. Mastuura Saizan focuses on strengthening the weak points of the human mind, and exploiting the natural movements of the human body, in "Jyoseihi Kendan." And "Tengu's Dialogue on the Martial Arts" by Issai Chosanshi is a manual for students of the martial arts, presented in the form of a dialogue with a master.