32 color illustrations. The line art for each of those 32 illustrations is also reproduced. Introduction in English, the rest in Japanese.
From the publisher:
30 talented creators transform the yokai spirits and monsters from Night Parade of One Hundred Demons into beautiful boys and men!
This book is a collection of illustrations by 30 different creators of games, manga, book designs and other content. These newly drawn illustrations of beautiful boys and men are inspired by the ancient Japanese monsters and ghosts that appear in Zuga Hyakkiyakou and other works by the Edo-period painter Toriyama Sekien. Enjoy these mesmerizing illustrations of boys and men dressed up as bewitching, beautiful and cute yokai creatures, ghosts and goblins.