00812cam a2200253 4500 64401852 TxAuBib 20000112120000.0 000112s1994||||||||||||||||||||||||eng|u 93021345 9780895775764 089577576X DLC DLC DLC TxAuBib Couper, Heather. How the universe works / Heather Couper & Nigel Henbest. Pleasantville, N.Y. : Reader's Digest Association, 1994. 160 p. : col. ill., col. maps ; 29 cm. Includes index. 20000112. Astronomy. Experiments. Astronomy. Laboratory manuals. Scientific recreations. Henbest, Nigel.