This book investigates the historical evolution of Theravada Buddhism, specifically examining how the religion adapted to shifting social structures from its origins in ancient India to its modern manifestation in Sri Lanka. Richard F. Gombrich, a distinguished scholar of Indology and Buddhism, utilizes a combination of textual analysis and historical context to argue that Buddhism is not a static doctrine but a dynamic tradition that constantly negotiates its relationship with the secular world. By tracing the development of the Sangha and the emergence of 'Protestant Buddhism,' the author provides a framework for understanding how religious practice remains tethered to social and political environments.

Scholars and students of religious studies frequently cite this work as a foundational text for understanding the sociological dimensions of Theravada Buddhism. Readers often note the academic density of the prose, which provides a rigorous and comprehensive overview of the tradition's historical trajectory.