This book documents the extraordinarily significant transfers and cultural diffusion between the Mongol Yuan Dynasty of China and Central and West Asia, which had a broad impact on Eurasian history in the 13th and 14th centuries. The Yuan era witnessed perhaps the greatest inter-civilisational contacts in world history and has thus begun to attract the attention of both scholars and the general public. This volume offers tangible evidence of the Western and Central Asian influences, via the Mongols, on Chinese, and to a certain extent Korean, medicine, astronomy, navigation, and even foreign relations. Turkic peoples and other Muslims played particularly vital roles in such transmissions. These inter-civilisational relations led to the first precise Western knowledge of East and South Asia and stimulated Europeans to discover new routes to the East. The authors of these essays, specialists in their respective fields, shine a light on these vital exchanges, which anyone interested in the origins of global history will find fascinating.