Heidi (; German: [ˈhaɪdi]) is a work of children's fiction published between 1880 and 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 es gelernt hat). It is a novel a...