In 2002 she wrote the children's book One self is the strangest of all (Skrýtnastur er maður sjálfur), a portrait of her grandfather, the Nobel prize-winning author Halldor Laxness.

[citation needed] Secretaries to the Spirits (Ósjálfrátt) was published in 2012 and was the best-selling Icelandic fine literature fiction of the Christmas season.

The publishing rights were sold to Random House (Germany), Tiderne Skifter (Denmark) and Presse de la Cité (France).

[citation needed] Other work by Auður includes international news articles, essays and two books for children with reading disabilities, published by The National Centre for Educational Materials.

[2] She has named Chimamanda Ngozi Adichie, Isabelle Allende, Nikolai Gogol, Günter Grass, Gabriel Garcia Marquez, Haruki Murakami, Zadie Smith, and Yoko Tawada as influences.