Justin Marozzi is a travel writer, historian and political risk consultant. He writes regularly for the Financial Times, Sunday Telegraph and Spectator. His first book, South of Barbary (HarperCollins), told the story of his 1,200-mile crossing of the Libyan Sahara by camel. His second book was the bestselling Tamerlane: Sword of Islam, Conqueror of the World (HarperCollins). His latest projects are a travel history of Herodotus and a satirical novel based on the war in Iraq.