00533cam a2200169 4500 547830088 TxAuBib 20100827120000.0 100826s1991||||||||||||||||||||||||und|u 9780895773821 0895773821 TxAuBib Hann, Judith. How Science Works : 100 Ways Parents and Kids Can Share the Secrets of Science. Pleasantville, New York : Reader's Digest Association, Inc., 1991. 20100827.