Wonderful 3 volume, hardbound, boxed set published by Time-Life in 1991. Mint In Box. Very comprehensive, in full color and richly illustrated with photos, drawings and diagrams of the arms, uniforms and other items of the Union and Confederate soldiers. Excellent reference.
Vol.1 is Union equipment. Volume 2 is Confederate equipment. Volume 3 is illustrated atlas of the civil war. Has been "Out Of Print" and are very difficult to find.