Within a literary framework, Justin Gaarder poses philosophical questions that affect life and existence. This appears through two letters sent to Sophie, the focus of this novel. Their content is brief and unlimited at the same time, with: “Who are you” asking the first, and “Where did the world come from” asking the second … Justin starts from these two questions to dive deep into the history of philosophy, which carries with it philosophies that originated from an essential point of this existence. Justin dived through Sophie and with philosophers through their thought in an attempt to answer these two questions … within the framework of this novel that is not like any other. a novel.