T. W. Allies 
Peter’s Rock in Mohammed’s Flood, from St. Gregory the Great to St. Leo III [EPUB ebook] 
Exploring Christian-Islamic Relations in Early Medieval Period

In 'Peter’s Rock in Mohammed’s Flood, from St. Gregory the Great to St. Leo III, ’ T. W. Allies delves into the historical and theological relationship between Christianity and Islam during the early medieval period. Allies employs a scholarly approach, citing primary sources and theological texts to explore the interactions and conflicts between these two religions. The book provides a comprehensive analysis of the political and religious landscape of the time, shedding light on the complexities of religious dialogue and conflict in the midst of a changing world. Allies’ writing style is dense but informative, making it a valuable resource for students of medieval history and religious studies alike.