Covered With Glory  
by Rod Gragg.
The 26th North Carolina Infantry at the Battle of Gettysburg.
Another book that you will be hard put to set down, once you start it.

A History of the Confederate Navy  
by Raimondo Luraghi.
An in depth study of this little known area of the Civil War. A classic in every sense of the word.
Must read!

Raphael Semmes, The Philosophical Mariner
by Warren F. Spencer.
Biography

Stonewall in the Valley  
Thomas J. "Stonewall" Jackson's Shenandoah Valley Campaign, Spring 1862
by Robert G. Tanner.
One of the classics of Civil War history.

Gettysburg July 1  
by David G. Martin.
Excellent book of Confederate successes on the day at Gettysburg. A thoroughly good read.

Jeb Stuart the Last Cavalier
by Burke Davis 
Interesting and will hold your attention

The Class of 1846 From West Point to Appomattox   
by John C Waugh.
Stonewall Jackson, George McClellan and their 18 brothers that attained General rank in the Civil War.
A fascinating look at the careers of leaders who were to have a major impact on the Civil War.

Breckinridge Statesman, Soldier, Symbol  
by William C. Davis
Biography.  Interesting informative book that can be somewhat dry. Worth the read for it's information.

Nathan Bedford Forrest, First with the Most  
by Robert Selph Henry
An interesting book on the South's most controversial General.

The 1865 Customs of Service for Non- commissioned Officers and Soldiers
A Handbook for the Rank and File of the Army
August V. Kautz
All the daily rules and regulations impacting the Federal soldier.

The Last Full Measure, The Life and Death of the First Minnesota Volunteers
by Richard Moe
Excellent

General James Longstreet, The Confederacy's Most Controversial Soldier 
by Jeffry D. Wert
Interesting book.

Writing and Fighting the Civil War  
Soldier Correspondence to the New York Sunday Mercury
Edited by William B. Styple
Valuable for it's insights on the Civil War Soldier

The Devil Knows How to Ride  
The True Story of William Clarke Quantrill and His Confederate Raiders
by Edward E. Leslie
Interesting source of Confederate History in the Trans-Mississippi Theater.

Bruce Catton's Civil War   
3 volumes in one: Mr. Lincolns Army, Glory Road, A Stillness at Appomattox
History as written by the guru of current historians.

Pea Ridge - Civil War Campaign in the West
by William L. Shea and Earl J. Hess
Interesting

Fighting for the Confederacy
The Personal Recollections of General Edward Porter Alexander.
Interesting

Antietam - The Soldier's Battle
by John Michael Priest
The battle from the participants viewpoint.

Campaigning With Grant
by Horace Porter
Dry reading