This book covers new ground on the diffusion and transmission of geographical knowledge that occurred at critical junctures in the long history of the Silk Road. Much of twentieth-century scholarship on the Silk Road examined the ancient archaeological objects and medieval historical records found within each cultural area, while the consequences of long-distance interaction across Eurasia remained poorly studied. Here ample attention is given to the journeys that notions and objects undertook to transmit spatial values to other civilizations. In retracing the steps of four major circuits...