① "Basic Knowledge of Indonesia (Basic Knowledge of Asia 3)" by Yoshiyoshi Kano and Mekong. Almost new. ※The following are used books. ② "The Source of Indonesian Nationalism: The Autobiography of Iwa Kusuma Sumantri" translated by Kenichi Goto, Waseda University Press ③ "Where is Indonesia Going?" by Koji Isomatsu, Mekong ④ "Journey to Indonesia: Into the Flames of Pro-Japan Sentiment" by Akira Nakamura, Tentensha ⑤ "Cheers to Merdeka (Independence)" by Hidehiro Kikuchi, Kodansha Publishing Service Center I bought it at a used bookstore, and it was a signed copy by the author.