00754cam a2200253 4500 59275498 TxAuBib 20100101120000.0 901129s1991||||||||||||||||||||||||eng|u 90026457 9780895773821 $24.00 0895773821 $24.00 (OCoLC)22891837 DLC DLC DLC TxAuBib Hann, Judith. How science works / Judith Hann. Pleasantville, N.Y. : Reader's Digest Association, 1991. 192 p. : col. ill. ; 29 cm. Includes index. 20100101. Scientific recreations. Science Experiments Popular works. TXSAI