North Korea is today one of the last bastions of hard-line Communism. Its leaders have kept a tight grasp on their one-party regime, quashing any nascent opposition movements and sending all suspected dissidents to its brutal concentration camps for "re-education." Kang Chol-hwan is the first survivor of one of these camps to escape and tell his story to the world, documenting the extreme conditions in these gulags and providing a personal insight into life in North Korea. Part horror story, part historical document, part memoir, part political tract, this record of one man's suffering gives...