Mio, My Son was written by Astrid Lindgren, a Swedish writer of children's books, song lyrics, and screenplays. She is best known for her series of books about the character Pippi Longstocking and for the children's fantasy novels Mio, My Son and Ronia the Robber's Daughter. She was a recipient of the Hans Christian Andersen Award and the Right Livelihood Award, among other honors.