A set of 6 volumes of a history manga series for elementary school students. The cover of the Osaka Castle volume is slightly damaged. Time Warp to Edo Time Warp to Osaka Castle Time Warp to the Ancient Olympics Oda Nobunaga vs. Napoleon Sakamoto Ryoma vs. Edison Time Warp to the Strongest Swordsman - Series Name: History Manga Time Warp Series - Number of Volumes: Complete set of 6 - Author: Noriko Sakata - Publisher: Nihon Bunkyo Shuppan - Target Audience: Elementary school students - Content: Manga with historical themes Thank you for viewing.