The small US constabulary force that entered the war was ill-led, ill-supported and had an uncertain system of supply but came out of the war as a professional army with a system of command and services equal to any army.  This softbound book measures approximately 7” by 9”, is authored by James L. Cochan and is illustrated by David Rickman.  It contains 48 pages with index and is published by Osprey Publishing of Great Britain as one of the books in the Men-at-Arms series.