Volume 4 in the Classic Series: The Story of Civilization. The Age of Faith surveys the medieval achievements and modern significance of Christian, Islamic, and Judaic life and culture.covers St. Augustine, Hypatia, Justinian, Mohammed, Harun al-Rashid, Charlemagne, William the Conqueror, Eleanor of Aquitaine, Richard the Lion-Hearted, Saladin, Maimonides, St Francis, St Thomas Aquinas, Roger Bacon, and many others, all in the perspective of integrated history.