Kibyoshi 

Kibyōshi (黄表紙?) is a genre of Japanese picture book kusazōshi (草双紙) produced during the middle of the Edo period. Physically identifiable as yellow-backed pictorial novels, the genre was in vogue for nearly thirty years beginning in 1775 with a work written by Koikawa Harumachi (恋川春町) whose title is popularly translated as Master Flashgold's Splendiferous Dream (金々先生栄花夢). As a formal history of the genre has yet to be written, the some three thousand titles are difficult to accurately characterize.

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