This is a significant challenge for us to learn from our senior, Hidehide Sakihama, regarding how he, as a manager, struggled to ensure the survival and development of the Ryukyu Bank amidst the turbulent postwar history of Okinawa, and from the perspective of promoting and developing the Okinawan economy. The book's condition has slight sun-fading and minor stains on the slipcase, but there are no noticeable scratches or dirt, and the book itself is in very good condition.