Heidi is a work of children's fiction published in 1881 by Swiss author Johanna Spyri, originally published in two parts as Heidi: her years of wandering and learning (German: Heidis Lehr- und Wanderjahre) and Heidi: How she used what she learned (German: Heidi kann brauchen, was sie gelernt hat).It is a novel about the events in the life of a young girl in her grandfather's care in the Swiss Alps. It was written as a book "for children and those who love children" (as quoted from its subtitle).