In 2016, he was the only Nordic journalist invited to cover the 7th Congress of the Workers' Party of Korea. His most notable book, "Kimlandia: silminnäkijänä Pohjois-Korean kulisseissa", is based on his experiences in the country. In 2019, a panel of judges selected "Kimlandia" as the best nonfiction book at the TIETOKIRJA.FI event in Helsinki.