五輪書
Miyamoto Musashi was one of the most famous Japanese swordsman, philosopher, strategist, writer and rōnin who lived from 1584 to 1645. He became the Kensei (sword saint) of Japan. He had a unique double-bladed swordsmanship (Nito-Ichi-ryū) and an undefeated record in 61 duels. He wrote the classic Japanese martial arts literature The Book of Five Rings and Dokkōdō (The Path of Aloneness).