Siegfried by Harry Mulisch Penguin $128 During a visit to Vienna, author Rudolf Herter is approached by an elderly couple, Ullrich and Julia Falk, who were Hitler's domestic servants. They tell him that Hitler and Eva Braun had a son named Siegfried. The Falks claim they raised the boy. Hitler had planned to adopt the child once he had established his European empire, 'just as Julius Caesar did with the later emperor Augustus'. But he later ordered that the child be murdered. The Falks tell Herter he must not reveal their story until both of them are dead. Mulisch tries to weave insights about Hilter around the central plot. Yes, he was evil, but what made him so different from the likes of Stalin and Pol Pot? Why is he always in a category of one?