Musashi is a historical fiction novel written by Eiji Yoshikawa, based on the life of the legendary samurai Miyamoto Musashi. Set in the early 17th century during the transition from the Sengoku period to the peaceful Edo period, the book follows Musashi's journey from a young and reckless warrior to a skilled swordsman and strategist. It explores themes of honor, self-discovery, and the pursuit of mastery. Musashi is a gripping tale that brings to life the intricacies of Japanese feudal society and the code of the samurai.