| Behold — 32 world-changing inventions we take for granted. The wheel, the bicycle, the printing press, and the personal computer are just a few of the technologies covered in this book. Author Helaine Becker shows readers how earlier inventions led to later inventions, and weaves in some nifty information that explains why some things just needed to be invented. The 1815 volcanic explosion in Indonesia, for example, was so big it indirectly led to the invention of the bicycle. She also throws in some fun facts about famous inventors such as Leonardo da Vinci and…Bill Gates.
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