SCIENCE
Williams, Brian

The Universe

(4) 4-6 What About... series. Densely packed double-page spreads cover many aspects of astronomy and relate space discoveries important to human history. Page and section headings in addition to "amazing facts" sidebars help readers navigate the different topics; the question-and-answer format leads up to a quiz at the end. Though they crowd the pages, extensive illustrations add interest and help explain some of the difficult concepts. Ind.

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