Arnaldur was born in Reykjavík on 28 January 1961, the son of writer Indriði G. Þorsteinsson. He graduated with a degree in history from the University of Iceland (Háskóli Íslands) in 1996. He worked as a journalist for the newspaper Morgunblaðið from 1981 to 1982, and later as a freelance writer. From 1986 to 2001, he was a film critic for Morgunblaðið.
Publications
His first book, Sons of Earth (Synir duftsins) came out in 1997, the first in the series with Detective Erlendur. The first two novels in the series have not yet been translated into English.[4] As of 2013[update], the series included 14 novels. Arnaldur is considered one of the most popular writers in Iceland in recent years — topping bestseller lists time and again.[citation needed] In 2004, his books were 7 of the 10 most popular titles borrowed in Reykjavík City Library[citation needed]. In 2006, his Erlendur novel Mýrin was made into a film, known internationally as Jar City, by Icelandic director Baltasar Kormákur.[5]