A 5,600-mile journey would only take several hours by airplane today, but when Marco Polo traveled from Venice to China in 1271, it took him four years. Polo trekked through deserts, outran ruthless marauders, and climbed mountains to reach his destination, the palace of Kublai Khan. This biography recounts how Marco Polo served the great Khan for seventeen years recording his adventures in exotic lands. The record of Polo's travels inspired future...