The 112th Field Artillery Regiment (Horse-Drawn) was a New Jersey Army National Guard unit called into active military service in January of 1941. "The Old Gray Mare" describes life in this unit, the Army's last horse-drawn field artillery unit, through the eyes of a young lieutenant during the Plattsburg Training Maneuvers in 1939 and during the 112th's post-activation training at Fort Bragg, North Carolina. "The Old Gray Mare" provides an insightful picture of the daily routine in garrison and the field of a horse unit during what proved to be the final year of its existence. It describes...