Og Mandino was born December 12, 1923 in Natick, Massachusetts. After high school, he joined the Army Air Corps. Upon returning from service in World War II, he was unemployed. Eventually, he became an editor for a magazine called Success Unlimited. This job was the starting point of his writing career. Mandino went on to write nineteen inspirational titles. They include The Greatest Salesman in the World, the Greatest Miracle in the World, the Return of the Ragpicker, the Twelfth Angel and the Choice. Since it's initial printing, The Greatest Salesman in the World has been translated into over 20 languages and is still considered one of the best-selling self-help books of all time. He died September 3, 1996.