The story follows Sofía Amundsen, a 14-year-old Norwegian girl who begins receiving mysterious letters in her mailbox. The letters pose fundamental philosophical questions: Who are you? Where does the world come from?
Eventually, Sofía and Alberto realize they are not real people. They are characters in a novel being written by Major Albert Knag (Hilde’s father) as a philosophical textbook and birthday gift for his daughter. Their entire world — their thoughts, actions, and the philosophy lessons — is a fiction created by the Major. El mundo de Sofia
El mundo de Sofía has been translated into over 60 languages and sold over 40 million copies. It was adapted into a 1999 film (in Norwegian) and a 1998 PC game. It remains a cultural touchstone for sparking philosophical curiosity in young adults. The story follows Sofía Amundsen, a 14-year-old Norwegian
Soon, she starts receiving a series of typed lessons on the history of philosophy from a mysterious philosopher named Alberto Knox. Through these lessons, Sofía learns about major philosophers from the pre-Socratics (Thales, Heraclitus) to modern thinkers (Sartre, Freud). Eventually, Sofía and Alberto realize they are not
Parallel to the philosophy course, Sofía discovers a strange subplot involving a girl named Hilde Møller Knag. On Hilde’s birthday (June 15), Sofía receives postcards from Hilde’s father, a UN major, who seems to be addressing Hilde through Sofía’s world.