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From picture books to history tomes, here are 10 books about zippers – an invention we couldn't get along without.
2. 'The Evolution of Useful Things,' by Henry Petroski
The zipper takes its place among other items we couldn't get along without such as the paper clip and Scotch tape in Petroski's book. The author discusses the answers to questions about inventions we may have never thought to wonder about, like why a fork has a fourth tine.
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