"Chronicles of the early caliphate from the death of Mohammed to the Umayyad and Abbasid dynasties A.H. XI-LXI (A.D. 632-680) according to original sources" is a historical work by the author Sir William Muir, which reveals the complex and interesting period of the formation and development of the Islamic state. In this book, the author examines in detail the events and personalities from the period after the death of the Prophet Muhammad to the elevation of the Umayyads and Abbasids to the thrones of the caliphate. He uses original sources, which gives his work authenticity and credibility. Readers will have the opportunity to touch the mysterious world of the first steps of the Islamic empire, to reveal the secrets of political and socio-cultural changes of that time, as well as to feel the atmosphere of intense battles and internal contradictions during the period of the formation of culture and power in the Middle East. Moore's book opens the door to the past, where history is intertwined with legends, and reality is indistinguishable from myth.