Astrid Lindgren was a Swedish children's author who is best known for her books about Pippi Longstocking, The Children of Noisy Village and Karlson on the Roof. Astrid Lindgren's popular picture books include Goran's Great Escape, A Calf for Christmas and In the Land of Twilight. Astrid Lindgren is Sweden's most famous author of children's literature; her books have sold around 145 million copies worldwide and have been translates into over 90 languages.