Spy who was left out in the Cold

Spring 1958: a mysterious individual believed to be high up in the Polish secret service began passing Soviet secrets to the West. His name was Michal Goleniewski and he remains one of the most important, yet least known and most misunderstood spies of the Cold War. Even his death is shrouded in mystery and he has been written out of the history of Cold War espionage - until now. Tim Tate draws on...