This volume covers the vital early years of the second Muslim civil war, when the Umayyad caliphate seemed on the point of extinction. That it survived had much to do with the vigor of the Umayyad Marwān ibn al-Hakam whose initial restoration of Umayyad authority is described here in some detail by al-Ṭabarī's sources. In the chaos and confusion of the civil war, however, developments took place that were to prove significant for the...