The Black Book: The Ruthless Murder of Jews by German-Fascist Invaders Throughout the Temporarily-Occupied Regions of the Soviet Union and in the German Nazi Death Camps established on occupied Polish soil during the War 1941–1945 alternatively The Black Book of the Holocaust, or simply The Black Book, (, Chornaya Kniga; Yiddish transliteration: Dos Shvartzer Bukh) was a result of the collaborative effort by the Jewish Anti-Fascist Committee (JAC) and members of the American Jewish community to document the anti-Jewish crimes of the Holocaust and the participation of Jews in the fighting and the resistance movement against the Nazis during World War II.