An examination of Trithemius's "magical theology," which argued for the compatibility of magic and Christian doctrines, and its influence during the Renaissance

Trithemius is best known for his hidden writing- the infamous Steganographia, but his other works, including this short grimoire on the use of crystals in summo

"Explores two principal genres of illicit learned magic in late Medieval manuscripts: image magic, which could be interpreted and justified in scholastic terms,

This volume explores the role of belief in the existence of angels in the early modern world.