00483cam a2200181 4500 981022367 TxAuBib 20000724120000.0 980421s1989||||||||||||||||||||||||eng|u 9780531106938 0531106934 TxAuBib Zaslavsky, Claudia. Zero: is it something: is it nothing. Franklin Watts, 1989. 32p. : illus. numbers.