Day of Vengeance — Johnny O'Brien

Paris. 1940. France has fallen. In his third mission, Jack Christie finds the world at a crucial turning point as the Nazis threaten world domination. Catapulted back to the Battle of Britain and risking everything, Jack must prevent a premature Nazi Vengeance Programme from going nuclear and protect the past to save the future. Day of Vengeance is the third of the Jack Christie Adventures and continues Jack's journey through time to turning points that changed the world.