Zen Culture, by Thomas Hoover, is an excellent read for anyone interested in Japanese history, art, and the Samurai.
It is available for free in a number of digital formats from The Gutenberg Press digital library, at:
http://www.gutenberg.org/ebooks/34324
It is available for free in a number of digital formats from The Gutenberg Press digital library, at:
http://www.gutenberg.org/ebooks/34324