Facsimile of the 1906 version from Verlag von H. Barsdorf in Berlin. Der Hexenhammer is a 15th-century manual on witchcraft and its prosecution. Composed by Heinrich Kramer and Jakob Sprenger, it systematically categorizes witches, their alleged crimes, and prescribes methods for their detection, interrogation, and punishment. The treatise was instrumental in the witch hunts across Europe, influencing legal practices and societal perceptions of witchcraft.