Witnesses to the brutal murder of their families and neighbors and the violent destruction of their communities, a cadre of Jewish women in Poland--some still in their teens--helped transform the Jewish youth groups into resistance cells to fight the Nazis. With courage, guile, and nerves of steel, these "ghetto girls" paid off Gestapo guards, hid revolvers in loaves of bread and jars of marmalade, and helped build systems of underground bunkers....

A Promise at Sobibór is the story of Fiszel Bialowitz, a teenaged Polish Jew who escaped the Nazi gas chambers. Between April 1942 and October 1943, about 250,000 Jews from European countries and the Soviet Union were sent to the Nazi death camp at Sobibór in occupied Poland. Sobibór was not a transit camp or work camp: its sole purpose was efficient mass murder. On October 14, 1943, approximately half of the 650 or so prisoners still alive at...