"Real-life figure Miyamoto Musashi was the most celebrated samurai of all time. The quintessential warrior philosopher, Musashi authored 'A book of five rings, ' a theoretical guide to military strategy still used today. But the path to enlightement in feudal era Japan was fraught with peril. At seventeen years of age, Musashi-- still known by his childhood name, Shinmen Takezō-- was a wild young brute just setting out along the way of the sword....