Daniel Silva is the bestselling author of The Unlikely Spy, The Mark of the Assassin, The Marching Season, The Kill Artist, The English Assassin, The Confessor, A Death in Vienna, Price of Fire, The Messenger, The Secret Servant, Moscow Rules and The Defector. He lives in Washington, DC, with his wife, NBC News Today correspondent Jamie Gangel, and their two children, Lily and Nicholas.