This book presents an analysis of the dynamic relationship between apocalyptic prophesies and medieval Muslim politics. "Messianic Beliefs and Imperial Politics in Medieval Islam" analyzes the role of Muslim messianic and apocalyptic beliefs in the development of the 'Abbasid Caliphate to highlight connections between charismatic authority and institutional developments in the early ninth century. Hayrettin Yucesoy studies the relationship between rulers and religion to advance understanding of the era's political actions and, more specifically, to illustrate how messianic beliefs influenced...