Truth has always been a thorny topic. How does it work? Who decides what it is? And why is it seen as so important? In this lucid introduction to the topic, leading scholar Simon Blackburn describes the main approaches to the notion of truth and considers how these relate to different perspectives on belief, interpretation, facts, knowledge and action. He then looks at how these ideas can be applied to:- aesthetics, taste and the judgement of art; - ethics and how people decide how they should (or should not) live; - reason and rational truth and whether these may be found or learnt in conversation, agreement