In his eye-opening new book, author Fumon Tanaka uses the life and accomplishments of sword master Miyamoto Musashi to look at the history of swords and sword fighting, and to discuss their role in Japanese history and in the development of traditional Japanese martial arts systems.

The book opens with an introduction to Musashi as a real-life figure, not just the legend we've come to know. Musashi was born in 1584, a time of transition in Japan that saw centuries of violence and war give way to an era of peace. In his early years, Musashi studied kenjutsu (the technique of the sword) and...