This is Volume 12 of a 16 Volume set originally published in 1885 by Charles Scribners's & Sons. Written by 14 different authors such as Abner Doubleday, John Nicolay and Jacob D. Cox, these volumes present the Army and the Navy in the Civil war. The Army series covers causes and battles from the " Outbreak of Rebellion" to "Chancellorsville and Gettysburg" and on the "Virginia Campaign of '64 and '65. A volume of Statistical Records completes the Army set. The three volumes about the Navy include "The Blockade and the Cruisers," "The Atlantic Coast" and "The Gulf and Inland Waters." Each volume contains a wealth of information, with its own introduction, preface, index, appendix(s), illustrations and maps. As a set, it is in-depth view the Civil War.