The Sword of the Samurai, written by Thomas Day, is a non-fiction book that explores the history and philosophy of the samurai in feudal Japan. It delves into the code of bushido, the way of the warrior, and examines the role of the samurai in Japanese society. With its in-depth analysis and engaging storytelling, The Sword of the Samurai offers a comprehensive look at the samurai culture during the Japanese feudal era.