01243cam a2200301 a 4500 2472411 MWNLS 19910123094040.6 900419s1990 ilua 001 0 eng 90070521 0716632268 (set) 0716633930 DLC DLC DLC Q121 .W65 1990 503 20 The World Book encyclopedia of science. Chicago, Ill. : World Book, 1990. 8 v. : ill. (some col.) ; 29 cm. Includes indexes. v. 1. The heavens -- v. 2. Physics today -- v. 3. Chemistry today -- v. 4. The planet earth -- v. 5. The plant world -- v. 6. The animal world -- v. 7. The human body -- v. 8. Men and women of science-index. Science Encyclopedias. 4960 Science Dictionaries. 5339 World Book, Inc. 1911 7 cbu orignew 2 opcn 19 y-gencatlg ddc BK 3304 3304 0 0 ddc 0 0 REF HQ HQ REF 2010-11-29 Book Aid International 3500.00 R 503 WOR 0009030 2010-11-29 00:00:00 vol 3 4000.00 2010-11-29 BK Chemistry Today