Gr 6-9-Detailed overviews of developments that changed the world of science. Each book includes in-depth information about the early days of each discovery or invention and how it developed into a breakthrough. Although the texts are complete, detailed, and not difficult to follow, the writing is less than exciting. However, the books are well suited for reports. The illustrations are adequate and plentiful, including lots of photos and diagrams.-Christine A. Moesch, City of Tonawanda Public Library, NY Copyright 2006 Reed Business Information.
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