This book examines events following the Arab conquest of Egypt, focusing on the Christian Church's survival of persecution, internal divisions, and conflicts with local Muslims. Drawing on Arab sources, the author presents a rich account of the period, including the building of Cairo, the persecution by the Fatimid caliph al-Hakim, and the religious and social life of Egyptian Christians. The book deftly navigates complex theological and political issues, shedding light on a fascinating and often overlooked chapter in the history of Coptic Christianity.