The Lone Samurai, written by William Scott Wilson, is a biography of Miyamoto Musashi, one of Japan's most legendary swordsmen. This book delves into Musashi's life, his duels, and his philosophy on martial arts and personal development. It offers a comprehensive look at the man behind The Book of Five Rings and provides historical context to better understand the Japanese feudal era. The Lone Samurai is a must-read for anyone interested in the life of Miyamoto Musashi.