Kirk here with some information from Megan.
— start quote — Upcoming Used Book Fair in Mifune: March 9 & March 10, 2024 A great way to support a wonderful local community! 2024年 3月9(土),10(日) 11: 00-18: 00 ( 10日は ~17 : 30 ) 街なかギャラリー 〒861-3207 熊本県上益城郡御船町御船 794 【ミフネ古本市・大山鹿古本市について】 古本タケシマ文庫:096-223-5145 — end quote —
Apologies to Megan for being so late. Megan, do you have any idea about whether or not any English-language books might be available? Even if not, I think this will be worth visiting. Ikeda Movable Print (my translation of 池田活版印刷所) is participating in the event. It’s a Japanese typesetting printshop that started in 1890 (!!):
https://ikedakappan.com/index.php/about/history.html
The area itself if very historic; it’s on the old Buzen Kaido, the route traveled in the Edo period. I’ve enjoyed touring the stretch of the same old road in Yamaga and would love to visit this area, though I’m not sure if I’ll be able to make it this weekend.
Here’s a Kumanichi page that has a useful Google map: