Steven E. Woodworthis a professor of history at Texas Christian University. He is the author or editor of thirty-one books about the Civil War, including"This Great Struggle: America s Civil War";"Nothing but Victory: The Army of the Tennessee, 1861 1865"; and"Jefferson Davis and His Generals: The Failure of Confederate Command in the West."He is a coeditor of the Civil War Campaigns in the Heartland series.