Part I. The Prelude to Genocide: 1. Nazi resettlement policy and the search for a solution to the Jewish question, 1939–1941; 2. Nazi ghettoization policy in Poland, 1939–41; Part II. Conflicting Explanations: 3. German technocrats, Jewish labor, and the Final Solution: a reply to Götz Aly and Susanne Heim; 4. The holocaust as by-product? A critique of Arno Mayer; 5. 'Intentionalism' and 'Functionalism': the decision for the Final Solution reconsidered; Part III. The Perpetrators: Accommodation, Anticipation and Conformity: 6. Bureaucracy and mass murder: the German administrator's comprehension of the Final Solution; 7. Genocide and public health: German doctors and Polish Jews, 1939–1941; 8. One day in Józefów: initiation to mass murder.