The River of Doubt: Theodore Roosevelt's Darkest Journey (Unabridged)
2005
River of the Gods: Genius, Courage, and Betrayal in the Search for the Source of the Nile (Unabridged)
2022
Hero of the Empire: The Boer War, a Daring Escape, and the Making of Winston Churchill (Unabridged)
2016
The Highest Calling (Unabridged)
2024
Hero of the Empire
2017
Destiny of the Republic: A Tale of Madness, Medicine and the Murder of a President (Unabridged)
2011