“When you play the Game of Thrones, you either win or you die. There is no middle ground.” — Cersei Lannister

The fantasy world of Game of Thrones may be off the air after eight fan-obsessed seasons. But its themes of power, betrayal, and cynical family dynamics come through in a revelatory biography of the North Korean dictator with whom President Trump has met twice: Anna Fifield’s The Great Successor: The Divinely Perfect Destiny of Brilliant Comrade Kim Jong Un.