The Caliph and the Imam: The Making of Sunnism and Shiism by Toby Matthiesen

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 his successor, and that henceforth Ali's offspring should lead as Imams. This dispute over who should guide Muslims, the Caliph or the Imam, marks the origin of the Sunni-Shii split in Islam.   Toby Matthiesen explores this hugely significant division from its origins to the present day. Moving chronologically, his book sheds light on the many ways that it has shaped the Islamic world, outlining how over the centuries Sunnism and Shiism became Islam's two main branches, and how Muslim Empires em