The Life-Giving Sword, written by Yagyu Munenori, is a classic text on the art of swordsmanship. Yagyu Munenori was a renowned swordsman and strategist who served as a martial arts instructor to the Tokugawa shogunate. In this book, he shares his teachings on the principles of swordsmanship, strategy, and the cultivation of the warrior spirit. The Life-Giving Sword provides valuable insights into the mindset and techniques of the samurai, making it a must-read for martial artists and enthusiasts of Japanese feudal history.