Richard Evans, one of the world's foremost historians of Nazi Germany, examines how the Third Reich functioned through the people who made it work. Rather than focusing on Hitler alone, Evans profiles key figures from the inner circle outward: Goebbels, Himmler, Heydrich, but also lesser-known officials, regional leaders, and ideologues who implemented Nazi policies. Each portrait asks what brought this person to Nazism, what role they played, and what their story reveals about how ordinary people participate in extraordinary evil. Evans draws on decades of research to show patterns across the movement: the appeal of anti-Semitism, the opportunities Nazism provided for advancement, the ways individuals convinced themselves their actions were justified. The book illuminates the internal conflicts and competing power centers that characterized the regime. Evans resists easy answers about what made someone become a Nazi, finding varied paths that resist single explanations. For readers seeking to understand how genocidal regimes function at the human level, this book provides essential analysis from a historian whose previous trilogy on the Third Reich established the standard account.