This profound work by Michael Philip Penn delves into the formative period of Islamic-Christian relations, meticulously compiling and analyzing the earliest Syriac writings that document the initial encounters between these two major religious traditions. It offers an invaluable resource for understanding how early Christian communities in the Middle East perceived and reacted to the emergence of Islam. Penn’s scholarly approach sheds light on unique perspectives derived directly from primary Syriac sources, revealing original accounts and theological viewpoints. This comprehensive reference is indispensable for scholars and students of religious history, Middle Eastern studies, and the history of early Islam, providing critical insights into a pivotal moment in world history.