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  | | 730 Easy Science Experiments with Everyday Materials by Elmer Richard Churchill, Louis V. Loeschnig, Muriel Mandell, Louis V. Loesching Plastic Comb, 320 Pages, Published 1997 by Tess Press Illustrated ISBN-13: 978-1-57912-387-1, ISBN: 1-57912-387-2 |
 | | 365 Simple Science Experiments With Everyday Materials(1st Edition) by Elmer Richard Churchill, Muriel Mandell, Louis V. Loeschnig, Frances Zweifel Paperback, 306 Pages, Published 2013 by Black Dog & Leventhal ISBN-13: 978-1-57912-927-9, ISBN: 1-57912-927-7 |
 | | Encyclopedia of Reptiles and Amphibians by Dr. Harold G. Cogger, Dr. Richard G. Zweifel, International Experts, Zweifel Cogger, Zweitel Richard Dr Paperback, 240 Pages, Published 2003 by Fog City Press ISBN-13: 978-1-877019-69-2, ISBN: 1-877019-69-0 |