Flames Beyond Gettysburg: The Confederate Expedition to the Susquehanna River, June 1863

This Republic of Suffering: Death and the American Civil War (National Book Award Finalist)

Narrative of the Life of Frederick Douglass: An American Slave

The Second Day at Gettysburg: The Attack and Defense of the Union Center on Cemetery Ridge, July 2, 1863

Personal Memoirs of Ulysses S. Grant: Volumes One and Two

Unceasing Fury: Texans at the Battle of Chickamauga, September 18-20, 1863

Team of Rivals: The Political Genius of Abraham Lincoln

The Second Battle of Winchester: The Confederate Victory that Opened the Door to Gettysburg

Twelve Years a Slave

"If We Are Striking for Pennsylvania", Volume 1: June 3–21, 1863: The Army of Northern Virginia and the Army of the Potomac March to Gettysburg

Crazy Horse and Custer: The Parallel Lives of Two American Warriors

"If We Are Striking for Pennsylvania", Volume 2: June 22–30, 1863: The Army of Northern Virginia and the Army of the Potomac March to Gettysburg

Targeted Tracks: The Cumberland Valley Railroad in the Civil War, 1861–1865

The Flags of the Confederacy

Killing Lincoln: The Shocking Assassination that Changed America Forever

The Demon of Unrest: A Saga of Hubris, Heartbreak, and Heroism at the Dawn of the Civil War

Rebel Yell: The Violence, Passion, and Redemption of Stonewall Jackson

The Measure of a Man

Grant