Thứ Bảy, 9 tháng 7, 2011

[Ebook] Just the Facts Inventions and Discoveries



Just the Facts Inventions and Discoveries is a fact-by-fact look at inventions throughout history, from flint tools and the wheel to the internet and beyond. This important reference guide features comprehensive details on inventions that changed the world, geological discoveries, and medical breakthroughs, all with full-color photographs and illustrations. Perfect for any school report!


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