Now in its fourth edition, Nigel Warburton's best-selling book gently eases the reader into the world of philosophy. Each chapter considers a key area of philosophy, explaining and exploring the basic ideas and themes. For the fourth edition, Warburton has added new sections to several chapters, revised others and brought the further reading sections up to date. If you have ever wondered what philosophy is, or whether the world really is the way you think it is, then this is the book for you. Book jacket.