His books include ''One for the Road: a Hitchhiker's Outback'', ''Baghdad Without a Map'', ''Confederates in the Attic'', ''Blue Latitudes'' (AKA ''Into the Blue''), ''A Voyage Long and Strange: Rediscovering the New World'', ''Midnight Rising: John Brown and the Raid That Sparked the Civil War'' (2011), and ''Spying on the South: An Odyssey Across the American Divide''.
