Wilhelm Baum is Associate Professor and teaches Medieval History at the Universities of Graz and Klagenfurt, Austria. He is author of of The Transformation of the Myth of Prester John (1999) and Ethiopia and Europe in the Middle Ages (2001).Dietmar W. Winkler is Full Professor of Patristic Studies and Ecclesiastical History, and head of the Center for the Study of Eastern Christianity at the University of Salzburg, Austria. Among others, he is the author and editor of Hidden Treasures and Intercultural Encounters (2009), Syriac Churches Encountering Islam (2010) and From the Oxus River to the Chinese Shores (2013).

• The 'Apostolic Church of the East': A Brief Introduction to the Writing of Church History and to Terminology 1. The Age of the Sassanians (Until 651) 2. The Age of the Arabs (650-1258) 3. The Age of the Mongols (13th and 14th Centuries) 4. The Age of the Ottomans (15th to 19th Centuries) 5. The Twentieth Century 6. Language and Literature of the Church of the East

'The book's great strength is its ready availability and concise coverage. The book is clear, useful and therefore recommended.' - Sobornost, Incorporating Eastern Churches Review'This volume is very useful indeed. The authors have been able to present a complex history in readable narrative and to summarise much of the literature from recent centuries.' - Asia Journal of Theology