Title: U90420
Subjects: Fiction, historical, general, Fiction, war & military, Germany, fiction, Washington (d.c.), fiction, New york (n.y.), fiction, Nazis, fiction, Scientists, fiction, World War, 1939-1945, Fiction, Naval operations, Submarine, German Naval operations, Submarines (Ships), Time travel, Terrorism, Prevention, Guerre mondiale, 1939-1945, Romans, nouvelles, Opérations sous-marines, Opérations navales allemandes, Sous-marins, Voyages dans le temps, Terrorisme, Prévention, Naval Military operations, German