“Financial History of Wealthy Merchants,” edited by Yasuo Takatsuki, Keio University Press, First Edition, First Printing, 2022, 317 pages, price: ¥2970 〇 This is a research material on the activities of Kajiya Kyuemon (Kaku), a wealthy merchant in Osaka during the Edo period, alongside Zenemon Konoike. 〇 Regarding the Kajiya (Hirooka family), research results have recently emerged due to the delayed release of materials. 〇 The book is structured as follows: Chapter 1: The Structure of the Osaka Financial Market - The Birth of the Rice Market and the Founding of Kajiya Chapter 2: The Birth of the Dojima Rice Market - The Flourishing of Derivative Transactions and Kaku's Advancement Chapter 3: The Development of Loans to Daimyo - How Wealthy Merchants Controlled Risk Chapter 4: The Meiji Restoration of the Hirooka Family - The Turning Point of the Times and the Crisis Response of Wealthy Merchants Chapter 5: The Impact of the Showa Financial Panic - The End of Kajiya Bank 〇 The authors are: Naoki Tani, Mai Hattori, Kazusuke Sakai, Shigeyuki Kurabayashi, Mayuko Seriguchi, Nobuto Kobayashi, Kazuaki Mura, Takenobu Yuki, Yoshie Kira, Kiyomoto Okahashi, Hisako Nishino