Sprezzatura: 50 Ways Italian Genius Shaped the World

The Trumpet of Conscience (King Legacy)

Down the Great Unknown: John Wesley Powell's 1869 Journey of Discovery and Tragedy Through the Grand Canyon

Come, Tell Me How You Live: An Archaeological Memoir

The Pirates Laffite: The Treacherous World of the Corsairs of the Gulf

My Remarkable Journey: A Memoir

Art & Physics: Parallel Visions in Space, Time, and Light – An Exhilarating History Tracing Breakthroughs from Monet to Einstein (P.S.)

Waiting to Be Heard: A Memoir

The Civilization of the Middle Ages: A Completely Revised and Expanded Edition of Medieval History

April 1865: The Month That Saved America – A Gripping History of Lincoln's Assassination and the Nation's Harrowing Rebirth (P.S.)