Books by Robert E. Lerner

The heresy of the Free Spirit was an important continental European heresy of the 14th century, and this volume examines the Free Spirit movement as it appeared in its own age, concluding that it represented a spectrum of belief that emphasized voluntary poverty and quietistic mysticism.

"The Feast of Saint Abraham is characterized by originality, profound scholarship (especially with regard to new manuscript sources), and by clarity and felicity of style... A fine book."-Bernard McGinn, University of Chicago

The Powers of Prophecy is an original attempt to investigate the subject of medieval eschatological prophecies: how and in what circumstances they were written; how they circulated; what they told people about the future; and how they were received.