Hourglass History

Ragnar Lothbrok: The Saga of a Viking Warrior King (Unabridged)

The Teutonic Knights: The Order, the Legends, and the Legacy of the Crusaders of the Baltic Shores (Unabridged)

Leonidas of Sparta: The Life and Legacy of the Ancient Warrior King Who Defended All Greece (Unabridged)

Greek Mythology: The Chronicle of Mount Olympus—From Zeus to Heracles (Unabridged)

Genghis Khan: The Saga of the Mongol Conquests (Unabridged)

Oppenheimer: The Man Who Developed the Atomic Bomb, Ignited the Nuclear Age, and Grappled With the Weight of His Creation (Unabridged)