Arnaldur Indridason worked for many years as a journalist and critic before he began writing novels. His books have since sold over 13 million copies worldwide. Outside Iceland, he is best known for his crime novels featuring Erlendur and Sigurdur Oli, which are consistent bestsellers across Europe. The series has won numerous awards, including the Nordic Glass Key and the CWA Gold Dagger. The Shadow District - the first book in the Reykjavik Wartime Mystery series - won the Premio RBA de Novela Negra, the world's most lucrative crime fiction prize.