The Heretics John Shakespeare Series, Book 5.

An exorcism ... a siege ... a stealthy killer ... What else could go wrong? John Shakespeare--intrepid private detective and brother to a rising young playwright in Elizabethan London--is approached by a condemned Jesuit priest with an unusual proposition: the Father is haunted by the memory of Thomasyn Jade, a teenage girl subjected to brutal exorcism rites a decade past. He wants Shakespeare to track her down and offer reparations for her trea...