Albert Castel was the author of numerous books, including the Lincoln Prize-winning Decision in the West: The Atlanta Campaign of 1864; Tom Taylor's Civil War; and Civil War Kansas: Reaping the Whirlwind. Brooks D. Simpson is professor of history at Arizona State University and the author of Ulysses S. Grant: Triumph over Adversity, 1822-1865; Let Us Have Peace: Ulysses S. Grant and the Politics of War and Reconstruction, 1861-1868; and The Reconstruction Presidents.