China has had close political and cultural relations with Korea for centuries and the history of that relationship can shed light on China’s approach to international relations more broadly—including in its imperial past. Yale historian Odd Arne Westad recommends the best books on China, Korea and the relationship between them.

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.