SNOW is the codename assigned to Arthur Owens, the most important British double agent in the early years of the Second World War. Described by Mi5 as a typical underfed Cardiff he type became the first of the great double-cross agents who were to play a major part in Britain's victory over the Germans. When the stakes could not have been higher, MI5 sought to build a double-cross system based on the shifting loyalties of a duplicitous, philandering and vain anti-hero who was boastful and brave, reckless and calculating, ruthless and mercenary... but patriotic. Or was he?Based on hundreds of secret Mi5 files, meticulous research and for the first time, the testimony of his family. Snow reveals the truth about an extraordinary man whose messages were used to make the first break through in the german Enigma codes at Bletchley Park and whose daughter went on to become a Hollywood film star.About the AuthorsNigel West is an author specializing in security, intelligence, the secret service, and espionage.Madoc Roberts is a director, producer, and film editor.