What sort of a person was Hitler? What might he do? In 1943 the US-Secret Service made a compilation of material, eleven hundred pages, called the Hitler Source Book. It remained unpublished until today. This, and it's key material, several interviews, was the essential tool for the psychoanalysis of Dr.Walter Langer, proving the sexual perversion at the core of Hitler's personality. With essays by Heussen and Morley.