Shi'ism is the second most numerous branch of Islam in the modern world, with between 130 and 190 million adherents across the globe. Shi'i Islam is becoming an increasingly significant and resurgent force in contemporary politics, especially in the Middle East. This makes a good and informed treatment of its fundamental spiritual beliefs and practices both necessary and timely. Mohammad Ali Amir-Moezzi is one of the most distinguished scholars of Shi'i history and theology currently at work, and in this volume he offers precisely such a wide-ranging and engaging survey of the core texts...