This volume investigates the complex structural and social integration of the Catholic Church within the French state and society during the eighteenth century. John McManners, a distinguished historian of the Enlightenment and the French Church, utilizes extensive archival research to examine the institutional mechanisms of the clergy. He argues that the Church was not merely a religious entity but a fundamental pillar of the Ancien Régime, deeply embedded in the political, economic, and social fabric of the nation.

Scholars and historians widely regard this work as a definitive, foundational study of the French ecclesiastical establishment. Readers frequently note the academic density and meticulous detail of the prose, which provides a comprehensive view of the Church's influence prior to the revolutionary period.