NATIONAL GEOGRAPHIC is one of the world's leading nonfiction publishers, with an extensive list of titles in categories such as history, travel, nature, photography, space, science, health, biography, and memoir. A portion of its proceeds is used to fund exploration, conservation, and education through ongoing contributions to the work of the National Geographic Society. David Rubenstein (introduction) is an investor, philanthropist, interviewer, author, and historian. The author of several bestselling books, he is Co-Founder and Co-Chairman of The Carlyle Group, one of the world's largest and most successful private investment firms. Michael Beschloss is an award-winning historian and bestselling author of 10 books, NBC's presidential historian, a contributor to PBS NewsHour, and a contributing columnist to The New York Times. Douglas Brinkley, the Katherine Tsanoff Brown Chair in Humanities and Professor of History at Rice University, CNN Presidential Historian, and a contributing editor at Vanity Fair. Annette Gordon-Reed, Carl M. Loeb University Professor at Harvard. Gordon-Reed won sixteen book prizes, including the Pulitzer Prize in History in 2009 and the National Book Award in 2008. Walter Isaacson, bestselling biographer and professor of history at Tulane University. He has been the CEO of the Aspen Institute, the CEO of CNN, and the editor of Time Magazine. David Treuer (prologue), author the New York Times bestseller The Heartbeat of Wounded Knee- Native America From 1890 to the Present. He was a finalist for the National Book Award.