Three Spanish writers who have written about the dark arts: Enrique Bocanegra is the author of prize-winning book Un espía en la trinchera. Kim Philby en la guerra civil española. Álvaro Colomer’s Aunque caminen por el valle de la muerte, is about the battle for Najaf, while José María Beneyto has written a second novel, El espía que engaño a Hitler, set in Nazi Germany. Moderated by Marta del Riego.