When the Mongol Empire was at its height it controlled the world from China and Korea to Russia on into Eastern Europe, South-east Asia, and Persia. It was during this period that a ten year old Tibetan child, Phagpa (1235-1280), was taken to the court of the Khans. Educated there by his uncle, Sakya Pandita, he grew up speaking both Mongolian and Tibetan. While in his twenties, he created the first written alphabet for the Mongolian language. He...