This document provides a summary of a biography about Adolf Hitler. It describes the book as a major new work that sheds new light on Hitler by drawing on previously unseen papers and recent research. It reveals Hitler's intelligence, political instincts, gift for oratory, as well as his megalomania and insecurity. The summary highlights how the author gives a comprehensive portrait of postwar Germany and shows how Hitler used ruthlessness and political talent to shape the Nazi party and lead it to power.