<p><b>A page-turning novel that is also an exploration of the great philosophical concepts of Western thought, Jostein Gaarder's<i> Sophie's World </i>has fired the imagination of readers all over the world, with more than twenty million copies in print.</b><br><br> One day fourteen-year-old Sophie Amundsen comes home from school to find in her mailbox two notes, with one question on each: "Who are you?" and "Where does the world come from?" From that irresistible beginning, Sophie becomes obses...