Neil Kagan, editor, heads Kagan & Associates Inc., a firm specializing in innovative illustrated books, and is the guiding spirit behind numerous book series including Voices of the Civil War and Our American Century. Recently he edited Great Battles of the Civil War, Great Photographs of the Civil War,and National Geographic Concise History of the World. He lives in Falls Church, Virginia.

Stephen G. Hyslop is a writer and editor of books on American and world history, including National Geographic Almanac of World History (with Patricia Daniels). He served as editor for the history series Time Frame, What Life Was Like, and American Indians. He is a contributing writer for History Channel Magazine.