Yumoto Kōichi is one of Japan’s foremost yōkai scholars. During the course of his research, he has built up a collection of over 5,000 yōkai objects and pieces of art. Former curatorial director of the Kawasaki City Museum, Yumoto Sensei lectures at universities on topics related to yōkai, and engages in the supervision of special exhibitions. He has authored numerous books on yōkai. These include the richly illustrated bilingual (Japanese and English) Yokai Museum: The Art of Japanese Supernatural Beings from the YUMOTO Koichi Collection; Yokai Wonderland – More from the YUMOTO Koichi Collection: Supernatural Beings in Japanese Art, and Yokai Storyland: Illustrated Books from the YUMOTO Koichi Collection (all published by PIE International), as well as many books in Japanese.