Nigel Warburton is a freelance philosopher, podcaster and writer. He is the author of many books including Philosophy: The Basics (5th edition), Thinking from A to Z (3rd edition) and The Basics of Essay Writing. With David Edmonds, he makes the popular philosophy podcast Philosophy Bites.

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• 1. Plato The Republic 2. Aristotle Nicomachean Ethics 3. Boethius The Consolation of Philosophy 4. Niccolò Machiavlli The Prince 5. Montaigne The Essays 6. René Descartes Meditations 7. Thomas Hobbes Leviathan 8. Baruch de Spinoza Ethics 9. John Locke An Essay Concerning Human Understanding 10. John Locke Second Treatise of Government 11. David Hume An Enquiry Concerning Human Understanding 12. David Hume Dialogues Concerning Natural Religion 13. Jean-Jacques Rousseau The Social Contract 14. Immanuel Kant Critique of Pure Reason 15. Immanuel Kant Groundwork of the Metaphysic of Morals 16. Thomas Paine The Rights of Man 17. Arthur Schopenhauer The World as Will and Idea 18. G.F. Hegel Phenomenology of Spirit 19. John Stuart Mill On Liberty 20. John Stuart Mill Utilitarianism 21. Søren Kierkegaard Either/Or 22. Karl Marx and Friedrich Engels The German Ideology, Part One 23. Friedrich Nietzsche Beyond Good and Evil 24. Friedrich Nietzsche On the Genealogy of Morality 25. Bertrand Russell The Problems of Philosophy 26. Martin Heidegger Being and Time 27. A.J. Ayer Language, Truth and Logic 28. R. G. Collingwood The Principles of Art 29. Jean-Paul Sartre Being and Nothingness, Existentialism and Humanism 30. Simone de Beauvoir The Second Sex 31. Ludwig Wittgenstein Philosophical Investigations 32. John Rawls A Theory of Justice 33. Michel Foucault Discipline and Punish