The twelfth-century manuscript of Gregory the Great's Moralia in Job , lavishly written and illuminated at the Cistercian monastery of C teaux in 1111, contains images of seemingly gratuitous violence and daily life that are famous but have a significance that has eluded most modern viewers. These images range anywhere from monstrous beasts that devour and hack at each other with swords to monks harvesting grain and felling trees. They have been called...