Philosophy didn't just drop out of the air. Discover how philosophers used each other's works to develop their own with CENGAGE ADVANTAGE BOOKS: VOYAGE OF DISCOVERY: A HISTORICAL INTRODUCTION TO PHILOSOPHY. Inside you'll be able to retrace philosopher's intellectual journeys and then figure out how to use that information in your own life. Plus, it's packed with stories, examples, illustrations, and study tools, so you'll be able to master the material with no problem.