The essays assembled in this new volume explore the fascination of the Middle Ages with the mystery of light, and its central role in the period's thought and creativity. Spanning medieval theology, literature, science and material culture, the topics covered include the history of light (and, inseparably, darkness) as a literary figure, from the Latin Bible to Geoffrey Chaucer; theoretical speculations on colour, sight and blindness, and their unexpected fertilization of fields such as poetic imagery; medieval preachers' evocations of light as much more than merely figuring the moral and...