Citizen Explorer: The Life of Zebulon Pike

Half Moon: Henry Hudson and the Voyage That Redrew the Map of the New World

Glorious Misadventures: Nikolai Rezanov and the Dream of a Russian America

Unruly Places: Lost Spaces, Secret Cities, and Other Inscrutable Geographies

Eldorado: Adventures in the Path of Empire

Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time

Adventures of the First Settlers on the Oregon or Columbia River, 1810-1813

The Prince of Medicine: Galen in the Roman Empire

Ambitious Brew: The Story of American Beer

Discovery of the Yosemite, and the Indian War of 1851

Unfinished Empire: The Global Expansion of Britain