"Dan Butterfield played a pivotal role during the Civil War--led troops in the field at the brigade, division, and corps level, wrote the 1862 Army field manual, composed "Taps," and served as the chief of staff for Joe Hooker in the Army of the Potomac. Butterfield was also controversial, not well-liked, and tainted by politics. Award-winning author James S. Pula unspools fact from fiction to offer the first detailed and long overdue treatment of the man and the officer"--
