Book excerpt: This volume offers a comparative approach to understanding the spread of Muslim culture in medieval Anatolia. It aims to reassess work in the field since the 1971 classic by Speros Vryonis, The Decline of Hellenism in Asia Minor and the Process of Islamization which treats the process of transformation from a Byzantinist perspective. Essays examine the Christian experience of living under Muslim rule, consider encounters between Christianity and Islam in art and intellectual life, and focus on the process of Islamisation as understood from the Arabic, Persian and Turkish textual evidence.