The Wolf's Hour (The Michael Gallatin Thrillers Book 1)

Michael Gallatin, a Russian émigré operative for the British Secret Service, is a werewolf and master spy. Allied Intelligence has learned of a Nazi strategy called Iron Fist designed to thwart the D-Day invasion. Gallatin is brought out of retirement as a personal courier and tasked with parachuting into Nazi-occupied France to locate an informant under Gestapo surveillance and retrieve critical information about the plan. Gallatin is uniquely qualified for the mission because of his supernatural abilities. As the Normandy landings approach within hours, he must navigate the dangerous streets of Paris while evading Nazi forces. Caught in the Third Reich's machinery, Gallatin must unleash his internal demons to succeed in his race against time. This novel combines WWII espionage thriller elements with dark fantasy, featuring richly detailed and intricately plotted historical suspense.