The Perfect Nazi - Martin Davidson

This is the confession that Martin Davidson received from his mother
upon the death of demanding, magnetic grandfather Bruno Langbehn.
The Perfect Nazi is Davidson's exploration of his family's
darkest secret.

As Davidson dove into his research, drawing on an astonishing cache
of personal documents as well as eyewitness accounts of this historical
period, he learned that Bruno's story moved lock-step in time with the
rise and fall of the Nazi party: from his upbringing in a fiercely
military environment amid the aftermath of World War I, to his joining
the Nazi party in 1926 at the age of nineteen, more than six years
before Hitler came to power, to his postwar involvement with the
Werewolves, the gang of SS stalwarts who vowed to keep on after the
defeat of Nazism.

Davidson realized that his grandfather was in many ways the "perfect
Nazi," his individual experiences emblematic of the generation of
Germans who would plunge the world into such darkness. But he also
realized that every fact he uncovered was a terrible truth he himself
would have to come to terms with...