Kim Jong-un's posturing over nuclear weapons is a distraction from more pressing concerns: the extreme poverty and disenfranchisement of his people, says North Korean defector Hyeonseo Lee.  She chooses five books for understanding the hermit kingdom.

Robert Service, Professor of Russian Studies at Oxford, when forced to choose between Lenin, Trotsky, and Stalin, says Stalin was definitely the worst of the lot. He takes a look at the dynamics of totalitarian Russia, gleaning insights from Thucydides to Orwell.

North Korea expert, Andrei Lankov, says that although North Korea is a brutal dictatorship, many people nonetheless manage to lead relatively normal lives. He recommends the best books on North Korea. (NB You can buy all our expert recommendations on North Korea by clicking here.)