 However, they also include within them the stories (parables) that Jesus told.In more modern philosophical work, Jostein Gaarder's books often feature this device.Examples are "The Solitaire Mystery", where the protagonist receives a small book from a baker, in which the baker tells the story of a sailor who tells the story of another sailor, and "Sophie's World" about a girl who is actually a character in a book that is being read by Hilde, a girl in another dimension.