Discoveries and Inventions that Changed the World

Some of the Greatest Inventions of All Time Learn about some of the greatest inventions of all time and how they changed our world forever in this fascinating book of inventions and daring discoveries. World changing history. Who created plastic? How was the zipper invented? Who created the aspirin that takes away our headaches? All of these questions (and more) are answered by author Gianni Morelli who expertly delves into the fascinating facts behind some of the most important historical inven