and character descriptions for Nils Karlsson Pyssling.
Nils Karlsson Pyssling is a children's book by Swedish writer Selma Lagerlöf, which tells the story of a boy named Nils who discovers a tiny elf-like creature ('pyssling' in Swedish) named Nils Karlsson living in the attic of his family's house. Despite initial shock and disbelief, Nils and Nils Karlsson become friends and spend their days playing and going on adventures together.
Nils is described as a mischievous young boy who loves to play pranks and explore the world around him. He is initially skeptical of Nils Karlsson's existence but quickly becomes a loyal friend and defends him from those who would harm him.
Nils Karlsson is a tiny but fiercely independent creature, who is skilled at tinkering and fixing things. He is initially hesitant to reveal himself to Nils but becomes attached to the boy and enjoys the companionship they share. He is also somewhat of a philosopher, imparting nuggets of wisdom to Nils throughout their adventures.
The book explores themes of friendship, imagination, and the importance of believing in magic and wonder. It has been adapted into various plays and films over the years, including a 1990 animated movie.