During America's 19th-century Gilded Age, free-enterprise capitalist ideas distorted and deeply obscured traditional political conservatism. Conservatism today, argues distinguished historian Mario R. DiNunzio, is a grotesque version of the ideology crafted by its founders, including John Adams in America and Edmund Burke in England.

This compelling book provides a survey of conservative thought and its transformation that originated in the late 19th century, exposing the influence of that transformed conservatism on 20th-century American politics from Hoover to Goldwater to Reagan and...