Roxanne Dunbar-Ortiz is Professor Emerita of Ethnic Studies at California State University. She is author of An Indigenous Peoples' History of the United States. She grew up in Okl...view moreRoxanne Dunbar-Ortiz is Professor Emerita of Ethnic Studies at California State University. She is author of An Indigenous Peoples' History of the United States. She grew up in Oklahoma. During the 1960s, she took part in the antiwar movement and became a member of the militant feminist organization Cell 16. She later joined the American Indian Movement and the International Indian Treaty Council in 1974. Her first book, The Great Sioux Nation: An Oral History of the Sioux Nation and its Struggle for Sovereignty, was published in 1977. Since then, she has written extensively on the topics of indigenous struggles for self-determination and territorial politics, notably in her autobiographical trilogy.view less