Musashi is a historical fiction novel written by Eiji Yoshikawa. It tells the story of Miyamoto Musashi, a legendary swordsman and philosopher during the early Edo period. The book vividly portrays the feudal era of Japan, depicting the intense battles, intricate martial arts techniques, and the complex code of honor followed by samurais. Musashi's journey towards self-discovery and enlightenment makes this book a captivating read for those interested in Japanese history and the samurai way of life.