 The third part attacks contemporary writers on witchcraft and demonology.Ady suggests the book Daemonologie attributed to King James was ghostwritten by the Bishop of Winchester.He also disagrees strongly with Thomas Cooper ("a bloody persecutor of the poor"), author of the book "The Mystery of Witchcraft" (1617) and with William Perkins's "Discourse of the Damned Art of Witchcraft" (1608), calling it "a collection of mingled notions" from Jean Bodin, Bartolommeo Spina, and "other popish blood suckers" who wrote "great volumes of horrible lies and impossibilities."