Japan's samurai were professional soldiers, but they could also be cultivated artists, writers and philosophers. "Samurai" means "he who serves," and these fierce warriors acted in the service of powerful feudal lords known as daimyo ("great name"). Among the most important daimyo families were members of the Hosokawa clan, whose lineage dates back some six hundred years. Lords of the Samurai brings to life the code of the samurai and the private...