This guide covers the main schools of thought from the Ancient Chinese philosophies of Confucius and Lao Tzu, Ancient wisdom from Aristotle, Plato, Zeno and Pythagoras through to those most influential of philosophers studied the world over - Hegel, Marx, Descartes, Kant, Kierkegaard and Wittgenstein to name but a few. It also discusses the big questions such as 'What is truth?', the relationship between philosophy and religion and the problem of morality.. Accessible, well-informed and fully-illustrated, this is a wonderful book for anyone who is keen to know more about the history of philosophers and their theories.