Book excerpt: The book called The Greatest Inventors of All-Time, is about the Inventors and their Inventions and how some of them got there patents that help change the world today. It's a mind blowing book that can inspire and educate about a lot Inventions that turned into businesses as of today. Most of these Inventions and the Inventors help grow and change the world to be a better place. This book shows how far the world has evolved in Inventions and Entrepreneurs.