Im Dienst des Diktators: Leben und Flucht eines nordkoreanischen Agenten (en: In the Dictator's Service: the Life and Flight of a North Korean Agent) is a biography of North Korean defector Kim Jong Ryul that reveals information on the luxurious lifestyle of North Korea's Eternal President Kim Il Sung and his son Kim Jong Il.

Austrian journalists Ingrid Steiner-Gashi and Dardan Gashi authored the book, and Ueberreuter published it in March 2010.

In 2010, Kim Jong Ryul came out to share his experiences as a "shopper" for the North Korean elite after sixteen years of hiding in Austria.

[3] Kim Jong Ryul served as a translator for a group of North Korean chefs instructed to "learn everything" about Austrian cuisine.

[2] Kim Jong Ryul and a group of engineers were also assigned to duplicate a Mercedes-Benz.