How the King of Elfhame Learned to Hate by Holly Black delves into the tumultuous past and present of Cardan Greenbriar, the High King of Elfhame, offering readers a deeper understanding of the enigmatic character. This enchanting companion novel to "The Folk of the Air" series explores Cardan's early life, his complex relationship with his family, and the events that shaped him into the cunning, cruel, yet strangely captivating ruler. Through a series of vignettes and memories, alongside his current struggles with Jude Duarte, the book illuminates the motivations behind his actions and the vulnerabilities hidden beneath his polished facade. Fans of the series will find answers to long-standing questions and gain a richer perspective on the intricate politics and dark allure of the faerie world, making it an essential read for anyone captivated by Holly Black's masterful storytelling.