The Lost Spy (Slim Moran Mysteries, #1)

It is Paris, 1949. 27-year-old American detective and heiress, Slim Moran, is hired by a British spymistress to find Marie-Claire, a spy long presumed dead. Slim soon realizes that scores from the last war have not been settled. She races to find out what happened to this deeply troubled lost spy because if Marie-Claire is not dead, she will be soon.