Fatherland is Harris' best work by some distance.
I am curently just finishing the Bernie Gunther series by Philip Kerr. Our hero Bernie is a murder detective in Berlin in 1933, and we follow his career through the war, his service in the SS on the eastern front, his escape from a Russian POW camp and return to police service in Berlin, flight to Cuba, kidnap by the CIA, all bloody sorts happens to the poor bugger.