-Auschwitz (Concentration camp) -Concentration camps -Poland -Friendship -Nazis -Holocaust, Jewish (1939-1945) -World War, 1939-1945 -Jews -Young adult fictionBored and lonely after his family moves from Berlin to a place called "Out-With" in 1942, Bruno, the son of a Nazi officer, befriends a boy in striped pajamas who lives behind a wire fence.