Earth and its Peoples, 8th Edition, AP Edition

Richard W. Bulliet, Ph.D., (Harvard University) is emeritus professor of Middle Eastern history at Columbia University. He has written scholarly works on a number of topics: the social and economic history of medieval Iran (The Patricians of Nishapur; Cotton, Climate, and Camels in Early Islamic Iran), the history of human-animal relations (The Camel and the Wheel; Hunters, Herders, and Hamburgers), the process of conversion to Islam (Conversion to Islam in the Medieval Period), transportation history (The Wheel: Inventions and Reinventions), and the overall course of Islamic social history (Islam: The View From the Edge; The Case for Islamo-Christian Civilization). He is the editor of the Columbia History of the Twentieth Century. He has published six novels and coedited The Encyclopedia of the Modern Middle East. He was awarded a fellowship by the John Simon Guggenheim Memorial Foundation and was named a Carnegie Corporation Scholar.

Steven W. Hirsch, Ph.D., has a doctorate in classics from Stanford University and is currently associate professor of classics and history at Tufts University. He has received grants from the National Endowment for the Humanities and the Massachusetts Foundation for Humanities and Public Policy. His research and publications include The Friendship of the Barbarians: Xenophon and the Persian Empire, as well as articles and reviews in the Classical Journal, the American Journal of Philology, and the Journal of Interdisciplinary History. He is currently working on a comparative study of ancient Mediterranean and Chinese civilizations.

Professor of history at the University of North Carolina at Charlotte, Lyman L. Johnson, Ph.D., earned his doctorate in Latin American history from the University of Connecticut. A two-time senior Fulbright-Hays lecturer, he also has received fellowships from the Tinker Foundation, the Social Science Research Council, the National Endowment for the Humanities, and the American Philosophical Society. His recent books include Death, Dismemberment, and Memory; The Faces of Honor (with Sonya Lipsett-Rivera); The Problem of Order in Changing Societies; Essays on the Price History of Eighteenth-Century Latin America (with Enrique Tandeter); and Colonial Latin America (with Mark A. Burkholder). He also has published in journals, including the Hispanic American Historical Review, the Journal of Latin American Studies, the International Review of Social History, Social History, and Desarrollo Economico. He recently served as president of the Conference on Latin American History.