Vienna, 1946: A brilliant German scientist snatched from the ruins of Nazi Europe. Moscow, 1964: A US diplomat caught in a clandestine love affair as the Cold War rages. Riga, 1992: A Russian archivist selling secrets that will change the twentieth century forever. London, the present day: A British academic on the run with the chance to solve one of history's greatest mysteries. Their stories, their lives, and the fate of the world are bound by a single manuscript. A document feared and whispered about in capitals across the globe. In its pages, history will be rewritten. It is only ever known as... The Scarlet Papers.