In this study, Professor Trevor-Roper reveals the social and intellectual background to the witch-craze of the 16th and 17th centuries. Orthodoxy and heresy had become deeply entrenched notions in religion and ethics as an evangelical church exaggerated the heretical theology and loose morality of its opponents. Gradually, non-conformists as well as whole societies began to be seen in terms of stereotypes and witches became the scapegoats for all the ills of society.