The extraordinary story of the Jewish investigator, Hanns Alexander, who pursued and captured one of Nazi Germany's most notorious war criminals, Kommandant of Auschwitz Concentration Camp, Rudolf Hoss. Moves from the Middle East campaigns of WW1 to bohemian Berlin in the 1920s, to the horror of the concentration camps and the trials in Belsen and Nuremberg. 'A gripping thriller, an unspeakable crime, an essential history' John Le Carre.