["YOUNG ADULT NONFICTION \/ General","World War, 1939-1945;Collaborationists;Europe.","World War, 1939-1945;Occupied territories.","World War, 1939-1945;Underground movements;Europe.","GENERAL","Juvenile Grades 7-9 Ages 12-14","Juvenile Non-Fiction","United States","World War, 1939-1945;Collaborationists;Europe.","World War, 1939-1945;Occupied territories.","World War, 1939-1945;Underground movements;Europe.","YOUNG ADULT NONFICTION \/ General"]