Many documents concerning Auschwitz and its annexes, Birkenau and Monowitz, were destroyed by the Nazis at the close of the war, yet much still survivedincluding eyewitness accountsnow preserved in the archives of the official Auschwitz Museum. Collected here in a monumental, unprecedented work of historical research is a day-by- day, month-by-month chronicle of the concentration camp from its planning in the winter of 1939 to its liberation in January...