Anna Fifield has written a deeply-sourced, rigorously researched portrait of one of the most elusive–and ruthless–leaders on the world stage. Few books about North Korea could rightfully be called “page-turners,” but Anna Fifield’s The Great Successor: The Divinely Perfect Destiny of Brilliant Comrade Kim Jong Un, is one of them. In it, Fifield has painstakingly reconstructed …