Also, a forged book titled "Kinshi Betsubon" (by a Japanese bogus writer) was appreciated as a curious book, telling a story that in the Kin (Dynasty), that flourished in the 12th century, there was a shogun called MINAMOTO no Yoshitsune.
12世紀に栄えた金_(王朝)の将軍に源義経というものがいたと記した偽書『金史別本』（偽作者は日本人）が珍本として喜ばれたりした。