JARED DIAMOND is professor of geography at the University of California, Lost Angeles. He has published over 200 articles in Discover, Natural History, Nature, and Geo magazines. His is the author of several books including Guns, Germs, and Steel, which was awarded the Pulitzer Prize and has sold over 1.5 million copies, the international bestseller Collapse, and the recently published The World Until Yesterday: What Can We Learn from Traditional Societies?
REBECCA STEFOFF is the author of a biography of the Shawnee chieftan Tecumseh and a tenvolume series of historical atlases, among many other books for children and young adults. She has adapted Howard Zinn’s celebrated A Young People’s History of the United States and Ronald Takaki’s A Different Mirror for Young People. She lives in Portland, Oregon.