Little Red Riding Hood is a European fairy tale about a young girl and a Big Bad Wolf. Its origins can be traced back to the 10th century to several European folk tales, including one from Italy called The False Grandmother. The best known version was written by Charles Perrault. The story has been changed considerably in various retellings and subjected to numerous modern adaptations and readings. Other names for the story are: "Little Red Ridinghood", "Little Red Cap" or simply "Red Riding Hood". It is number 333 in the Aarne-Thompson classification system for folktales.