TY - BOOK AU - Asimov,Isaac TI - Isaac Asimov's guide to earth and space SN - 0449220591 AV - QB52 .A74 1991 U1 - 520 20 PY - 1991/// CY - New York PB - Fawcett Crest, KW - Astronomy KW - Miscellanea KW - Earth N1 - Includes index UR - http://www.loc.gov/catdir/description/random0412/91011097.html ER -