American historians have long been fascinated by the "peopling" of North America in the seventeenth century. Who were the immigrants, and how and why did they make their way across the ocean? Most of the attention, however, has been devoted to British immigrants who came as free people or as indentured servants (primarily to New England and the Chesapeake) and to Africans who were forced to come as slaves. Trade in Strangers focuses on the eighteenth century, when new immigrants began to flood the colonies at an unprecedented rate. Most of these immigrants were German and Irish,...