Time has been very good to Thomas Weber's Northern Railroads in the Civil War, 1861-1865. First published by Columbia University Press in 1952, it has been out of print since the 1970s, but never out of demand. It has emerged as the premier account of the impact of the railroads on the American Civil War and vice versa. Not only did the railroads materially help the north to victory through movement of troops and materiel, but the war materially...