Book excerpt: Throughout American history, legal battles concerning the First Amendment’s protection of religious liberty have been among the most contentious issue of the rights guaranteed by the United States Constitution. Religious Liberty and the American Supreme Court: The Essential Cases and Documents represents the most authoritative and up-to-date overview of the landmark cases that have defined religious freedom in America. Noted religious liberty expert Vincent Philip Munoz (Notre Dame) provides carefully edited excerpts from over fifty of the most important Supreme Court religious liberty cases. In addition, Munoz’s substantive introduction offers an overview on the constitutional history of religious liberty in America. Introductory headnotes to each case provides the constitutional and historical context. Religious Liberty and the American Constitution is an indispensable resource for anyone interested matters of religious freedom from the Republic’s earliest days to current debates.