Marco Polo and His WorldAt the age of seventeen, Marco Polo left his Venetian home on a continent spanning adventure that lasted for nearly a quarter century. Imprisoned in Genoa five years later, he collaborated with Arthurian romance writer Rustichello of Pisa on a work they called The Description of the World. That book recounted 'all the greatest marvels and great diversities of Greater Armenia, Persia, the Tartars, India, and many other provinces', a story that made