Hanns and Rudolf: the German Jew and the hunt for the Kommandant of Auschwitz. Thomas Harding. 2014.

Hanns Alexander was the son of a prosperous German family who fled Berlin for London in the 1930s.

Rudolf Hoss was a farmer and soldier who became the Kommandant of Auschwitz concentration camp and oversaw the deaths of over a million men, women and children.

This is their story.