A detailed biographical work by the historian Allama Ali bin Abdullah Al-Eryani, exploring the life and times of Imam Muhammad bin Yahya. This specific edition, published in 1996 as a 964-page paperback volume, offers a comprehensive examination of the Imam's legacy, influence, and the historical context in which he lived. It is an essential resource for students and researchers of Yemeni history, providing profound insights into the political, social, and religious dynamics of the era, backed by meticulous scholarly research.