This curious historical document was compiled by Dominican monks Jacob Sprenger and Heinrich Kramer as a manual for colleagues in the Inquisition. How to recognize and track down a witch, how to conduct “third-degree interrogations” and conduct paperwork - with links to authoritative sources from Aristotle to John Chrysostom and more than interesting cases from practice. The famous 15th-century treatise on demonology can be read easily and with interest today.