From New York Times bestselling author Jennifer A. Nielsen comes a thrilling World War II story of espionage and intrigue, as one girl races to save her father and aid the French resistance. Six hundred and fifty-seven days ago, Meg Kenyon's father left their home in France to fight for the Allies in World War II, and that was the last time Meg saw him. Recently, she heard he was being held prisoner by the Nazis, a terrible...