Now in paperbackâ?the â?amazingâ?( James Bradley, New York Times bestselling author of Flags of Our Fathers) never-before-told story of the greatest escape of the Second World War. In 1944 the OSS set out to recover more than 500 downed airmen trapped behind enemy lines in Yugoslavia. Classified for over half a century for political reasons, the full account of this unforgettable story of loyalty, self-sacrifice, and bravery is now being told for the first time.