How about Demons?: Possession and Exorcism in the Modern World

"Quite an interesting book... " -Religious Studies Review"It is by far superior to anything else on demons we have seen in the past few years." -The American Rationalist"...

Goodman is to be commended for a stimulating and wide-reaching treatment of a compelling and much-debated subject." -Journal of Folklore ResearchRich in detail derived from the author's fieldwork and the anthropological literature, this work paints a picture of possession as one of the usually positive and most widespread of human religious experiences.

It also details the ritual of exorcism, which is applied when things go wrong.