Mistakes That Worked: 40 Familiar Inventions & How They Came to Be

   Popsicles, potato chips, Silly Putty, Velcro, and many other familiar things have fascinating stories behind them. In fact, dozens of products and everyday items had surprisingly haphazard beginnings. Mistakes That Worked offers forty of these unusual tales, along with hilarious cartoons and weird and amazing facts. Readers will be surprised and inspired!