This compelling reference focuses on the events, individuals, organizations, and ideas that shaped Japanese warfare from early times to the present day.
Japan's military prowess is legendary. From the early samurai code of morals to the 20th-century battles in the Pacific theater, this island nation has a long history of duty, honor, and valor in warfare. This fascinating reference explores the relationship between military values and Japanese society, and traces the evolution of war in this country from 700 CE to modern times.

In Japan at War: An Encyclopedia, author Louis G. Perez examines the people and ideas that led Japan into or out of war, analyzes the outcomes of battles, and presents theoretical alternatives to the strategic choices made during the conflicts. The book contains contributions from scholars in a wide range of disciplines, including history, political science, anthropology, sociology, language, literature, poetry, and psychology, and the content features internal rebellions and revolutions as well as wars with other countries and kingdoms. Entries are listed alphabetically and extensively cross-referenced to help readers quickly locate topics of interest.