00728cam a2200229 4500 243223700 TxAuBib 20010829120000.0 860516s1986||||||||||||||||||||||||eng|u 9780025258006 0025258001 TxAuBib Clarke, Arthur Charles, 1917- July 20, 2019. Arthur C. Clarke's July 20, 2019 [BOOK] : life in the 21st century. New York : Macmillan, 1986. 281 p. : ill. (some col.) ; 26 cm. "An Omni book.". Includes index. 20010829. Twenty-first century Forecasts.