The final chapter of the Denkigai no Honya-san manga will be published in the December issue of Monthly Comic Flapper, which will be released in Japan in November of 2017.
Denkigai no Honya-san has been serialized in Comic Flapper since 2011, and the series has been collected into 14 manga volumes with a total of over 1 million copies in print.
Denkigai no Honya-san also inspired an anime adaptation in 2014 known as DENKI-GAI which features direction by Masafumi Sato and animation by Shin-Ei Animation.