Kirkus: "NATURE'S GOD The Heretical Origins of the American Republic"

Here. A taste:

Stewart gives the simplistic “common religious consciousness” and much presumed wisdom a fair hearing, then demolishes them utterly, though not dismissing what is useful in faith. By closely analyzing the writings of Jefferson, Young, Franklin, Paine et al., he quashes the delusion that America was established as a “Christian” nation.