Like those books, it is a supernatural bestiary of ghosts, monsters, and spirits which has had a profound influence on subsequent yōkai imagery in Japan.
According to the Kokusho Sōmokuroku (Iwanami Shoten) this is considered to be a gesaku author from the latter half of the Edo period, Tōkaen Michimaro (桃花園三千麿).
Scholar of Japanese manners and customs Ema Tsutomu (Nihon Yōkai Henka-shi, 1923) and folklorist Fujisawa Morihiko (Hentai Densetsu-shi, 1926), as well as magazines at that time, introduced this book by the name Tōsanjin Yawa, and so this title became famous.
Yōkai Japanese folklore unknown Born 1712 as Sano Toyofusa, Toriyama Sekien being a pen name he would commonly use.
These are the things that are being depicted by both Takehara Shunsensai with his Ehon Hyaku Monogatari and in the original work by Toriyama Sekien with their illustrations and codified through the small text accompanying each picture.
According to Deborah Shamoon in her article, “The Yokai in the Database: Supernatural Creatures and Folklore in Manga and Anime” (2013), Sekien's original text Gazu Hyakki Yagyo and Takehara Shunsensai's Ehon Hyaku Monogatari that followed, allowed for a codification of what had originally been a vague set of beliefs and would be one of the major contributing factors for the continuity of stories with still familiar Yokai that we enjoy today.