Trafficking with Demons explores how magic was perceived, practiced, and prohibited in western Europe during the first millennium CE. Through the overlapping frameworks of religion, ritual, and gender, Martha Rampton connects early Christian reckonings with pagan magic to later doctrines and dogmas. Challenging established views on the role of women in ritual magic during this period, Rampton provides a new narrative of the ways in which magic was embedded within the foundational assumptions of western European society, informing how people understood the cosmos, divinity, and their own Christian faith. As Rampton shows, throughout the first Christian millennium, magic was thought to play a natural role within the functioning of the universe and existed within a rational cosmos hierarchically arranged according to a 'great chain of being.' Trafficking with the 'demons of the lower air' was the essense of magic. Interactions with those demons occurred both in highly formalistic, ritual