From the eighth century onwards, Christians living under Islam have produced numerous apologetic and polemical works, aimed at proving the continuing validity of Christianity. Among these is the Legend of Sergius Baḥīrā, which survives in two Syriac and two Arabic versions, and appears here in edition and translation. Being a counterhistory of Islam, it reshapes early Muslim traditions about a monk recognizing Muḥammad as the final Prophet by turning this monk into Muhammad's tutor and co-author of the Qur'an. In response to Muslim triumphalist propaganda, it portrays...

Christian-Muslim Relations, a Bibliographical History 1 (CMR1) is a history of all the known works on Christian-Muslim relations from 600 to 1500. It comprises introductory essays and over 200 detailed entries containing descriptions, assessments and compehensive bibliographical details of individual works.

Patristic Literature in Arabic Translations explores the Arabic translations of the Greek and Syriac Church Fathers, focusing on those produced in the Palestinian monasteries and at Sinai in the 8th–10th centuries and in Antioch during Byzantine rule (969–1084). These Arabic translations preserve patristic texts lost in the original languages. They offer crucial information about the diffusion and influence of patristic heritage among Middle Eastern Christians from the 8th century to the present. A systematic examination of Arabic patristic translations sheds light on the development of...