Whitten outlines what Christians need to know about proper relations between religion, Christian or otherwise, and government. Far from being a "myth" or a "lie," church-state separation is a constitutional principle and philosophy enshrined within the First Amendment.

Written in an accessible, popular style, The Myth of Christian America provides sound scholarship in defense of the exposition of constitutional church-state separation.

Whitten argues against the popular but ill-founded thesis that America was constitutionally and institutionally founded to be a "Christian nation." He argues for a robust yet properly advanced constitutional separation of church and state and for full religious liberty for all.