Civil War Weather in Virginia (University of Alabama Press, July 2007)

The Smoothbore Volley that Doomed the Confederacy: The Death of Stonewall Jackson
and Other Chapters on the Army of Northern Virginia (Louisiana State University Press, Feb. 2002).

The American Civil War: The war in the East, 1863-1865 (Oxford, England: Osprey Publishing, 2001).

"…Like a Stone Wall," Gen. Thomas J. Jackson, CSA (Gettysburg: Farnsworth House, 1997)

Conquering the Valley: Stonewall Jackson at Port Republic. New York: William Morrow and Co., 1996. (Main Selection of the History Book Club and an Alternate Selection of the Book of the Month Club.) (2nd edition, 1996) (Paperback from Louisiana State Press, 2001)

Stonewall Jackson at Cedar Mountain. Chapel Hill: University of North Carolina Press, 1990. (History Book Club Selection; Winner of 1990 Douglas Southall Freeman Award; Winner of 1990 Richard Barksdale Harwell Award; Winner of 1990 ENP&MA Author's Award.) (3rd edition, 1997) (Paperback edition, 2001)

Parker's Virginia Battery. Berryville, Virginia: Virginia Book Company, 1975 (2nd edition, 1989).

The Fredericksburg Artillery. Lynchburg, Virginia: H. E. Howard, Inc., 1987.

A Virginia Marine on Iwo Jima. Lynchburg, Virginia: H. E. Howard, Inc., 1987.

The Gettysburg Death Roster. Dayton, Ohio: Morningside Press, 1981 (3rd edition, 1993).

The 30th Virginia Infantry. Lynchburg, Virginia: H. E. Howard, Inc., 1983 (3rd edition, 1988).

The 9th Virginia Cavalry. Lynchburg, Virginia: H. E. Howard, Inc., 1982 (4th edition, 1988).

Lee's Colonels: A Biographical Register of the Field Officers of the Army of Northern Virginia. Dayton, Ohio: Morningside Press, 1979 (4th edition, 1993; 5th ed. due in 2005). (History Book Club selection).

Neale Books: An Annotated Bibliography. Dayton, Ohio: Morningside Press, 1976.