The international bestseller about life; the universe and everything. When 14-year-old Sophie encounters a mysterious mentor who introduces her to philosophy; mysteries deepen in her own life. Why does she keep getting postcards addressed to another girl? Who is the other girl? And who; for that matter; is Sophie herself? To solve the riddle; she uses her new knowledge of philosophy; but the truth is far stranger than she could have imagined. A phenomenal worldwide bestseller; SOPHIE'S WORLD sets out to draw teenagers into the world of Socrates; Descartes; Spinoza; Hegel and all the great philosophers. A brilliantly original and fascinating story with many twists and turns; it raises profound questions about the meaning of life and the origin of the universe.