Books on Demons & Demonology

Yōkai

Yōkai are malevolent spirits in Japanese mythology. These supernatural beings embody chaos, demonic power, and retribution. Typically found in ancient texts, Noh theater, and folktales, they range from vengeful underworld spirits to mischievous tricksters. This Yōkai category contains all known shapeshifting animals, ghosts, spirits, monsters, and various other apparitions or strange phenomena in Japanese folklore.