Subject(s): World War, 1939-1945 -- Jewish resistance -- Poland -- Juvenile fiction. | Holocaust, Jewish (1939-1945) -- Poland -- Juvenile fiction. | Jews -- Poland -- History -- 20th century -- Juvenile fiction. | Nazis -- Poland -- History -- 20th century -- Juvenile fiction. | World War, 1939-1945 -- Jewish resistance -- Fiction. | Holocaust, Jewish (1939-1945) -- Fiction. | Jews -- History -- 20th century -- Fiction. | Nazis -- History -- 20th century -- Fiction. | Poland -- History -- 20th century -- Juvenile fiction. | Poland -- History -- 20th century -- Fiction.