Saad Abboud Samar's profound study delves into the intricate dynamics of Zoroastrianism, an ancient and influential religion. This book meticulously examines the historical trajectory of Zoroastrian faith, particularly focusing on the escalating influence of its religious clergy. It critically analyzes how this growing power has often stood in tension with various movements advocating for religious renewal and reform within the community. Samar explores the internal challenges faced by Zoroastrianism, shedding light on the ongoing struggle between tradition and modernity, and how these forces shape its identity and future amidst a changing world.