Isaac Newton invented calculus, the scientific method, discovered the nature of light and the fundamental laws of the universe. He also invented the Doggy Door - or did he? By reading this book, you'll discover the truth using Newtonian methods of investigation to learn about the first scientist and the pets he kept: born and orphaned on Christmas Day, he was a commoner and vegetarian whose compassion for animals and his fellow human beings led him to discover the very limits of knowledge itself...