The Caliph and the Imam: The Making of Sunnism and Shiism

The authoritative account of Islam's schism that for centuries has shaped events in the Middle East and the Islamic world. In 632, soon after the Prophet Muhammad died, a struggle broke out among his followers as to who would succeed him. Most Muslims argued that the leader of Islam should be elected by the community's elite and rule as Caliph. They would later become the Sunnis. Others—who would become known as the Shia—believed that Muhammad had designated his cousin and son-in-law Ali as...