"One day, Sophie receives a cryptic letter posing an intriguing question: “Who are you?” A second message soon follows: “Where does the world come from?” It is the beginning of an unusual correspondence between our curious young heroine and her mysterious penpal. As the questions begin to pile up, Sophie is propelled headlong into a startling adventure through the history of Western philosophy. Her search for answers will see her explore each of the major schools of thought, as she tries to uncover the true nature of the letters, her secretive teacher ... and, above all, herself!"--Provided by publisher.

From Socrates to Galileo.From Socrates to Galileo.