Satanism and Witchcraft (book) in the context of "Black Mass"

A Black Mass is a ceremony celebrated by various Satanic groups. It has allegedly existed for centuries in different forms, and the modern form is intentionally a sacrilegious and blasphemous parody of a Catholic Mass.

In the 19th century the Black Mass became popularized in French literature, in books such as Satanism and Witchcraft, by Jules Michelet, and Là-bas, by Joris-Karl Huysmans.