Lincoln's Boys: John Hay, John Nicolay, and the War for Lincoln’s Image

Tried by War: Abraham Lincoln as Commander in Chief

Lincoln

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

Killing Lincoln: The Shocking Assassination that Changed America Forever

Personal Memoirs of Ulysses S. Grant

The Bully Pulpit: Theodore Roosevelt, William Howard Taft, and the Golden Age of Journalism

American Lion: Andrew Jackson in the White House

Traitor to His Class: The Privileged Life and Radical Presidency of Franklin Delano Roosevelt

Abraham Lincoln: A Life 1862: From the Slough of Despond to the Gates of Richmond, Playing the Last Trump Card, The Soft War Turns Hard, The Emancipation Proclamation

Grant

If Kennedy Lived: The First and Second Terms of President John F. Kennedy: An Alternate History

Andrew Jackson: His Life and Times

The Presidents Club: Inside the World's Most Exclusive Fraternity

Bobby Kennedy: The Making of a Liberal Icon

American Sphinx: The Character of Thomas Jefferson

Days of Fire: Bush and Cheney in the White House

John Adams

Theodore Rex

The Rise of Theodore Roosevelt