The Lone Samurai, written by William Scott Wilson, is a biography of Miyamoto Musashi, the legendary swordsman and author of The Book of Five Rings. This meticulously researched book delves into Musashi's life, his duels, and his philosophy on martial arts and strategy. It provides a comprehensive understanding of Musashi's teachings and their relevance in both historical and contemporary contexts. The Lone Samurai is a must-read for anyone interested in the life and legacy of one of Japan's most iconic figures.