"Impress your friends (and yourself) with just how much you know about Inventions! From the invention of the wheel toCars, phones, computers, plastics and millions of other inventions - these have helped shape our world and more things are being invented every day! Read this book to ensure you really do Know It All! Part of the series Know It All - there are eight books in this series covering everything from Cars and Pirates to Knights and Dangerous Animals."--Publisher description.