This volume investigates the complex development, diversity, and social impact of religious belief and practice throughout the history of the United States. Jon Butler, a distinguished historian of American religion, compiles an extensive array of entries that examine how various faiths have shaped and been shaped by the American experience. The work provides a comprehensive framework for understanding the intersection of institutional religion, cultural identity, and public life from the colonial era to the modern day.

Experts and scholars frequently cite this work as a foundational reference tool for students and researchers of American religious history. Readers often note the academic rigor and the breadth of the entries, which provide a balanced overview of both mainstream and marginalized religious traditions.