Confederates in the Attic: Dispatches from the Unfinished Civil War

Spying on the South: An Odyssey Across the American Divide

A Voyage Long and Strange: Rediscovering the New World

Midnight Rising: John Brown and the Raid That Sparked the Civil War

Blue Latitudes: Boldly Going Where Captain Cook Has Gone Before

Apostles of Disunion: Southern Secession Commissioners and the Causes of the Civil War (A Nation Divided: Studies in the Civil War Era)

Baghdad without a Map and Other Misadventures in Arabia

Baghdad without a Map and Other Misadventures in Arabia

The Cotton Kingdom: A Traveller's Observations On Cotton And Slavery In The American Slave States, 1853-1861

A Voyage Long and Strange: On the Trail of Vikings, Conquistadors, Lost Colonists, and Other Adventurers in Early America

One for the Road: Revised Edition