This book asks readers to re-examine their view of the Islamic world and the development of sectarianism in the Middle East by shining a light on the complexity and diversity of early Islamic society. The focus here is on the tenth century, a period in Middle Eastern history that has often been referred to as the "Shiʿi Century," when two Shiʿi dynasties rose to power: the Fatimids of North Africa and the Buyids of Iraq and Iran. Historians...