A detailed, insightful study . . . Lee is excellent on the regime’s reliance on suppressing, distorting and manipulating information . . . His vivid account of surreal, intractable negotiations with the Kim siblings underlines The Sister’s central insight: Kim Yo Jong is very much part of the family

Explosive . . . a ground-breaking and revealing new book

Riveting, unique, policy-relevant narrative of the first order . . . Lee sees through the North Korean regime’s antics, maskirovka, and propaganda – much of it the work of Kim Yo Jong – as does no other. A work of penetrating analysis, caustic wit, and elegant prose

A riveting profile of the rise of the current leader’s sister, Kim Yo Jong, and the resilience of the Kim regime

Extraordinarily well researched . . . an invaluable resource in understanding one of the most intriguing and least known figures in today’s North Korea

Dr Lee deftly skewers the misperceptions of Kim Yo Jong to insightfully assess her longstanding and powerful role. Comprehensive, provocative, and eloquently written. Should be required reading for policymakers and pundits trying to decipher the North Korean Game of Thrones

Mr Lee’s book is not just a profile of a central figure in what is arguably the world’s most brutal dictatorship, but also of her clan. By showing how the family operates, The Sister offers insights into the workings of the only hereditary monarchy to style itself as communist; a regime willing to let millions starve while it spends billions on weapons

In The Sister, Sung-Yoon Lee offers a trenchant analysis of the Kim Jong Un regime and his sister’s role in propagating their cult of personality. He employs his deep knowledge of the subject and his fine literary skills to tell a tale that is both fascinating and disturbing

As a former top North Korea official in charge of the supreme leader’s slush funds, I have intimate knowledge of the corrupt and very opaque workings of the Kim dynasty. The Sister is revelatory. It is a most rare and enlightening analysis of the Kim regime’s deceptions and perversions, and Kim Yo Jong’s role in this existential game . . . [an] astute, acerbic, and, at times, even amusing exposé of the pathological ways of the North Korean dynasty

This captivating, well-researched portrait of one of the world’s most secretive and powerful women offers a rare glimpse into the heart of North Korea’s leadership and the complexities of its political landscape

Dr Lee was instrumental in our lawsuit against North Korea for the kidnapping, torture, and extrajudicial killing of our son, Otto. During the trial in a federal court in DC, the entire courtroom and the press were mesmerized by his deep knowledge of the concentration camp known as North Korea. Dr. Lee is able to explain North Korea’s behaviour in a way that compels action. Now, he has put his impressive skills to weave a gripping tale on the inner workings of the criminal organization known as North Korea and the sister’s sinister role in this scheme