In 1322 Sir John Mandeville left England on a pilgrimage to Jerusalem. Thirty-four years later, he returned, claiming to have visited not only Jerusalem, but India, China, Java, Sumatra and Borneo as well.His book about that voyage, THE TRAVELS, was heralded as the most important book of the Middle Ages as Mandeville claimed his voyage proved it was possible to circumnavigate the globe.In the nine...