Prior to this, he had written the script for a historically based cartoon on the slave ship Fredensborg.

He has written several historical crime novels based on Denmark–Norway around the beginning of the 18th century.

The main characters in these novels are Professor Thomas af Boueberg of Copenhagen University and his Dr. Watson equivalent, the considerably less brilliant Norwegian Petter Hortten.

In 2006 he published his first contemporary novel, the thriller De usynlige brødre (The Invisible Brothers) (translated into 8 languages) and his first children's book Kasper & Måns.

She has co-illustrated the cartoon about Fredensborg and the children's book Kasper & Måns.