The Civil War: A Narrative, Vol. 2: Fredericksburg to Meridian, Volume 2

The Civil War: A Narrative, Vol. 3: Red River to Appomattox, Volume 3

The Civil War: A Narrative, Vol. 1: Fort Sumter to Perryville, Volume 1

Rising in Flames: Sherman’s March and the Fight for a New Nation

The Soul of Genius: Marie Curie, Albert Einstein, and the Meeting That Changed the Course of Science

Bloody Spring: Forty Days That Sealed the Confederacy’s Fate

The Cold War's Killing Fields: Rethinking the Long Peace

The Last of the Doughboys: The Forgotten Generation and Their Forgotten World War

Promise of Glory: A Novel of Antietam

The Last Ridge: The Epic Story of America’s First Mountain Soldiers and the Assault on Hitler’s Europe

In Mortal Combat: Korea, 1950–1953

Saving My Enemy: How Two WWII Soldiers Fought against Each Other and Later Forged a Friendship That Saved Their Lives

Richard Tregaskis: Reporting under Fire from Guadalcanal to Vietnam

Lincoln's Men: How President Lincoln Became Father to an Army and a Nation

The Rise and Fall of Adolf Hitler

Hallowed Ground: A Walk at Gettysburg

Name of the Enemy

I Marched with Patton: A Firsthand Account of World War II Alongside One of the U.S. Army's Greatest Generals

Kearny's March: The Epic Creation of the American West, 1846–1847

Before Their Time: A Memoir