[Shinchosha Publishing Co., Ltd.] A book that will overturn
conventional wisdom about history! “The decisive battle for the fate of the nation was not at Sekigahara, but at Osaka” — Kazuhiko Kasatani’s new book, “The Debate: The Battle of Osaka,” goes on sale on October 22nd!
Shinchosha Co., Ltd. Press release: October 22, 2025 To Members of the Press A book that will overturn conventional wisdom about history! “The decisive battle for the nation was Osaka, not Sekigahara” — Kazuhiko Kasatani’s new book, “The Debate: The Battle of Osaka,” goes on sale October 22nd! A leading expert on early modern history thoroughly examines the truth behind the “true final battle” in which 300,000 soldiers, twice the number of those at Sekigahara, clashed. Even after the defeat of the Western Army, Toyotomi Hideyori wielded greater power than previously thought. “Debate: The Battle of Osaka” (Shincho Sensho), a new look at the 15 years from the Battle of Sekigahara to the Siege of Osaka, was released by Shinchosha today, Wednesday, October 22nd.
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“Did the defeat of the Western Army reduce the Toyotomi clan to mere feudal lords?” “Was the Shogun the only man to rule Japan?” “Was Ieyasu really plotting the downfall of the Toyotomi clan?” “Is the issue of the inscription on the Hokoji Temple bell a fabrication?” “Were the Osaka side tricked into filling in the inner moat?”… A leading expert on modern history will reveal the truth behind “the last and fiercest battle of the Sengoku period” from 16 key points. [Table of Contents] Chapter 1 The Political World After the Battle of Sekigahara Chapter 2: Tokugawa Ieyasu’s Appointment as Shogun Chapter 3: The Toyotomi Clan and the Prosperity of Osaka After the Battle of Sekigahara Chapter 4: Tokugawa Hidetada’s Appointment as Shogun Chapter 5: The 11th Year of the Keicho Era, the Construction of Edo Castle and the Toyotomi Clan Chapter 6: The Dual Government System During the Keicho Era Chapter 7: From Appeasement to Hostility, the Brink of War Chapter 8: The Meeting at Nijo Castle and the Three Articles of Oath Chapter 9: The Winter Campaign of Osaka Chapter 10: The Summer Campaign of Osaka ■Recommendation comment “This book will be welcomed by many readers as a labor of love that once again, in a polemical style, reveals the multifaceted nature of the tragedy of the Battle of Osaka and the downfall of the Toyotomi clan.” –Masayuki Yamauchi (Professor Emeritus, University of Tokyo; Visiting Professor, Musashino University) ■Message from the author This book analyzes and examines the individual factors behind the political contradictions that arose from the Battle of Sekigahara, and presents a new perspective on the significance of the Battle of Osaka, examining recent views on the event. (From the “Preface”) ■Book Contents Ieyasu finally took control of the country, not at Sekigahara, but at the Battle of Osaka! “With the defeat of the Western Army, the Toyotomi clan was reduced to a mere feudal lord,” “The Shogun was the only man to rule Japan,” “Ieyasu was eagerly plotting the downfall of the Toyotomi clan,” “The issue of the inscription on the Hokoji Temple bell was a false accusation,” and “The Osaka side was tricked into filling in the inner moat.” Amidst competing theories, a leading expert on modern history who advocates the theory of the “dual government system” will reveal the truth from Sekigahara to “the last and fiercest battle of the Sengoku period.” ■Author Information: Kasaya Kazuhiko Born in Kobe in 1949. Graduated from the Faculty of Letters at Kyoto University. Completed the doctoral program at the same university’s graduate school. Ph.D. (Literature). Professor Emeritus at the International Research Center for Japanese Studies. Specializes in history and samurai society theory. His works include “The Structure of Lord ‘Oshikomi’,” “The Battle of Sekigahara,” “Tokugawa Yoshimune,” “Edo Orusuiyaku,” “Bushido and Japanese Meritocracy,” “The Battle of Sekigahara and the Siege of Osaka,” “Bushido: Culture and Ethics of Samurai Society,” “Toyotomi Osaka Castle” (co-authored with Keiichi Kuroda), “Tokugawa Ieyasu,” “The Debate: The Battle of Sekigahara,” and “The Imperial Court and Samurai Government in the Early Modern Period,” among many others. ■Book data “Controversy: The Battle of Osaka” [Author] Kazuhiko Kasatani [Release Date] Wednesday, October 22, 2025 [List price] 1,650 yen (tax included) [ISBN code] 978-4-10-603937-9
[URL]
https://www.shinchosha.co.jp/book/603937/
