Leading historians and archaeologists offer a comprehensive introduction to the increasingly entangled worlds that spanned the globe between 600 and 1350 CE. The period between the seventh and fourteenth centuries is hardly thought of as an era of globalization. Entire societies in the Americas, Australia, and Oceania developed in relative isolation from other parts of the world. Even on the interconnected landmass of Eurafrasia, many people had little to do with processes of transregional exchange. Yet the period 600–1350 CE in fact witnessed an explosion of connectivity amid the consolidation of sophisticated approaches to human organization. Flows of people, goods, and ideas across regional boundaries intensified, changing lives at all social levels, from rulers to the enslaved. In the Americas, large cities and north-south trade networks took shape. The Arabic-Islamic conquests of the seventh and eighth centuries, along with the Mongol expansion of the thirteenth, tied together