Start with high-confidence japanese art books, then narrow by subgenre or adjacent topics.
Ninja
John Man
The Typographic Imagination
Nathan Shockey
The Chrysanthemum and the Sword
Ruth Benedict
Drawing on Tradition
Jolyon Baraka Thomas
The Book of Five Rings
Miyamoto Musashi, Shiro Tsujimura
Japan - Culture Smart!
Culture Smart!, Paul Norbury
The Real Musashi: the Manga Edition
Kozo Kaku, Touru Sugita
