This book by Muhammad Rida delves into the life and reign of Uthman ibn Affan, the third Rightly Guided Caliph of Islam. Covering his period from 644 to 656 CE, it explores his significant contributions, notably the standardization of the Quranic text, a monumental achievement that unified the Muslim community. The work also examines the internal challenges and dissent that characterized his later rule, culminating in his tragic assassination. Rida's biography provides a comprehensive look at Uthman's character, his administrative policies, and the socio-political landscape of the nascent Islamic state, offering essential insights into a pivotal era in Islamic history.