The "Dainihon Ekiro Hokan" (Great Japan Road Treasure Guide) is a geographical book compiled in the Edo period, detailing the roads, post stations, distances, and place names throughout the country. The author was Chokubo Sekisui, and it was primarily used as a handbook for transportation and geography. The routes of each road and the arrangement of post towns were systematically organized, making it a valuable practical reference book for travel and transportation planning at the time. It is also considered important as a resource for studying geography and history. ◯ Author and Publisher: Tokyo Prefectural Samurai / Munemasa Hiroshi ◯ Major Sales and Binding: Akashi Chushichi ◯ Publication Year: Meiji 19 (1886) ◯ Description: Folded book, copperplate color, road maps from Hokkaido to Okinawa, Osaka-Sakai train departure and arrival timetable, Tokyo-Yokohama train fare table, etc. ◯ Size: Approximately 19cm x Approximately 390cm ◯ Condition: Yellowing, stains, cover damage, small seals