On Great Fields: The Life and Unlikely Heroism of Joshua Lawrence Chamberlain

Grant

A. Lincoln: A Biography

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

Lincoln in Private: What His Most Personal Reflections Tell Us About Our Greatest President

The Man Who Saved the Union: Ulysses Grant in War and Peace

Lincoln's Greatest Speech: The Second Inaugural

Narrative of the Life of Frederick Douglass: An American Slave

The Eloquent President: A Portrait of Lincoln Through His Words

The Illustrated Battle Cry of Freedom: The Civil War Era

Team of Rivals: The Political Genius of Abraham Lincoln

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

John Adams

The Flags of the Confederacy

Killing Lincoln: The Shocking Assassination that Changed America Forever

And There Was Light: Abraham Lincoln and the American Struggle

The Rise and Fall of the Second American Republic: Reconstruction, 1860-1920

Truman

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