Since the dawn of the twenty-first century, the political mainstream has undergone a significant shift towards the right, challenging the liberal orthodoxy that emerged in the aftermath of World War II. In Europe, populist movements have pushed traditional parties to adopt more radical positions; in America, the election of Donald Trump marked a turning point for the Republican Party. Key Thinkers of the Radical Right: Behind the New Threat to Liberal Democracy, edited by Mark Sedgwick, provides an in-depth exploration of sixteen influential thinkers who have shaped the contemporary radical right. Through detailed biographical sketches and analyses of their ideas, the book offers readers a nuanced understanding of the ideological foundations that underpin this political movement. Featuring both classic figures like Julius Evola and Alain de Benoist, as well as emerging voices such as Richard B. Spencer, it presents a balanced overview without endorsing any particular viewpoint. In an era marked by increasing political polarization, this comprehensive guide serves as an essential resource for anyone seeking to understand the complex landscape of contemporary right-wing thought.