Gregory, Robert H.  Civil War Ordnance:  An Introduction.  Mount Juliet, TN: Potomac Publishing Co., 2011.  Hardcover, 35o pp.  8 glossy pages of color photos; heavily illustrated with black & white photos.

This highly educational and well written reference book includes information relating to both Union and the Confederacy.  The volume is broken down into four sections:  Ordnance Department, Small Arms and Ammunition, Artillery and Ammunition, and Packing Boxes.