Selfish and lazy, fourteen-year-old Nils learns kindness and wisdom after he is bewitched into an elf-sized boy and carried off by a barnyard goo

A farmer's wife becomes the foster mother of a troll's child and her humanistic treatment of the changeling eventually secures the return of her

A selfish little boy learns humility when he is made tiny by an elf and flies on a long trip with migratory geese.