Question: Both the movie Pippi on the Run and the character Pippi Longstocking , are based on books by what author?
Sentence (from "Pippi on the Run"): Pippi on the Run (original title: "På rymmen med Pippi Långstrump") is a 1970 Swedish movie, based on the eponymous children's books by Astrid Lindgren with the cast of the 1969 TV series "Pippi Longstocking".
Relevant evidence: Yes