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The How and Why Wonder Book of Science Experiments
The How and Why Wonder Book of Science Experiments Author:Martin Keen Produced and approved by noted authorities, these books answer the questions most often asked about science, nature and history. They are presented in a clear, readable style, and contain many colorful instructive illustrations. Readers will want to explore each of these fascinating subjects and collect these volumes as an authentic, ready refer... more »ence, basic library.« less