It was a simple leather notebook...that could save the world. When Fritz L wenstein came to America in 1892 to work for the great Nikola Tesla, one of the first things the famous inventor had him do was keep a notebook that recorded unexplainable events Tesla didn't want his investors to know about. Such as the "shadow people" whose images appeared when Tesla started experimenting with X-rays. More than a century later, Tesla is celebrated as one...