About the Author

Rifaat Ebied is Foundation Professor of Semitic Studies at the University of Sydney, Australia. He has published extensively in the field of Semitic Studies generally and on Christian Arabic and Syriac studies in particular, most recently Petri Callinicensis Patriarchae Antiocheni: Tractatus Contra Damianum (Louvain 1994/1996/1998/2003).

David Thomas, Ph.D. (1983) in Islamic Studies, University of Lancaster, is Reader in Christianity and Islam at the University of Birmingham. He has published extensively on Christian-Muslim relations, most recently Early Muslim Polemic against Christianity (Cambridge, 2002) and Christians at the Heart of Islamic Rule (Brill, 2003).