Destiny of the Republic: A Tale of Madness, Medicine and the Murder of a President

Hero of the Empire: The Boer War, a Daring Escape, and the Making of Winston Churchill

The President and the Assassin: McKinley, Terror, and Empire at the Dawn of the American Century

The River of Doubt: Theodore Roosevelt's Darkest Journey

Rutherford B. Hayes: The American Presidents Series: The 19th President, 1877-1881

The Unexpected President: The Life and Times of Chester A. Arthur

President McKinley: Architect of the American Century

Grover Cleveland: The American Presidents Series: The 22nd and 24th President, 1885-1889 and 1893-1897

The Professor and the Madman: A Tale of Murder, Insanity, and the Making of the Oxford English Dictionary

Educated: A Memoir

Chester Alan Arthur: The American Presidents Series: The 21st President, 1881-1885