Angels & Demons is a 2000 bestselling mystery - thriller novel written by American author Dan Brown and published by Pocket Books and then by Corgi Books. The novel introduces the character Robert Langdon, who recurs as the protagonist of Brown's subsequent novels. A thriller based on Dan Brown's novel, starring Tom Hanks as Robert Langdon, who investigates a Vatican conspiracy involving antimatter and the Illuminati. The film is a sequel to The Da Vinci Code and was released in 2009. In Ron Howard's thrilling follow-up to The Da Vinci Code, expert symbologist Robert Langdon (Tom Hanks) follows ancient clues on a heart-racing hunt through Rome to find the four Cardinals kidnapped by the deadly secret society, the Illuminati. With the Cardinals' lives on the line, and the Camerlengo (Ewan McGregor) desperate for help, Langdon embarks on a nonstop, action-packed race through sealed crypts, dangerous catacombs, and the most secretive vault on Earth!