Japanese book size (approx. 17.5cm × 25cm)
A traditional book format using paper folded from the standard 半紙 (hanshi) sheet; common in the Edo period for woodblock-printed books and manuscripts.
See also: 半紙 (はんし)
This ukiyo-zōshi was published in the hanshi-bon format.
Formed from 半紙, the traditional paper format that determines the book’s page size, and 本, “book.”