For Gabriel Allon and his wife, Chiara, it was supposed to be the start of a romantic weekend in London. But nothing is ever that simple when you're an off-duty spy and assassin. And when he fails to prevent a suicide bombing attack on Covent Garden, Gabriel is drawn once again into the world of international espionage and intrigue. From the streets of New York and London, to the unforgiving landscape of the Saudi desert, Gabriel Allon is in a race to the death against a calculating mass-murderer that he dare not lose ...