Scientists have always kept secrets. But rarely have the secrets been as vital as they were during World War II. In the middle of building an atomic bomb, the leaders of the Manhattan Project were so alarmed to learn that the Nazis were outpacing the Allies in nuclear weapons research, they assembled a motley crew of geniuses -- dubbed the Alsos Mission -- and sent them careening into Axis territory. Thrust into the dark world of international espionage,...

He's the worst Nazi war criminal you've never heard of. Sidekick to SS Chief Heinrich Himmler and supervisor of Nazi rocket scientist Wernher von Braun, General Hans Kammler was responsible for the construction of Hitler's slave labor sites and concentration camps. He personally altered the design of Auschwitz to increase crowding, ensuring that epidemic diseases would complement the work of the gas chambers. Why has the world forgotten this monster?...

"The remarkable story of Fred Mayer, a German-born Jew who escaped Nazi Germany only to return as an American commando on a secret mission behind enemy lines. Growing up in Germany, Freddy Mayer witnessed the Nazis' rise to power. When he was sixteen, his family made the decision to flee to the United States--they were among the last German Jews to escape, in 1938. In America, Freddy tried enlisting the day after Pearl Harbor, only to be rejected...

"A trusted member of Hitler's inner circle, Artur Axmann, the head of the Hitler Youth, witnessed the Führer commit suicide in Berlin--but he would not let the Reich die with its leader. Evading capture, and with access to remnants of the regime's wealth, Axmann had enough followers to reestablish the Nazi party in the very heart of Allied-occupied Germany--and position himself to become dictator of the Fourth Reich. U.S. Army Counter Intelligence...

The leafy Avenue Foch, one of the most exclusive residential streets in Nazi-occupied France, was Paris's hotbed of daring spies, murderous secret police, amoral informers, and Vichy collaborators. So when American physician Sumner Jackson, who lived with his wife and young son Phillip at Number 11, found himself drawn into the Liberation network of the French resistance, he knew the stakes were impossibly high. Just down the road at Number 31 was...

"The remarkable story of Fred Mayer, a German-born Jew who escaped Nazi Germany only to return as an American commando on a secret mission behind enemy lines. Growing up in Germany, Freddy Mayer witnessed the Nazis' rise to power. When he was sixteen, his family made the decision to flee to the United States--they were among the last German Jews to escape, in 1938. In America, Freddy tried enlisting the day after Pearl Harbor, only to be rejected...