<prompt> Andika orodha ya vitabu 5 vya kale vilivyochapishwa katika karne ya 20.  <response>: 1. Kuwaua Mockingbird na Harper Lee 1960 2. 1984 na George Orwell 1949 3. The Great Gatsby na F. Scott Fitzgerald 1925 4. Bwana wa nzi na William Golding 1954 5. Macho yao walikuwa kuangalia Mungu na Zora Neale Hurston 1937 