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Zero: The Biography of a Dangerous Idea

Meditations: Penguin Classics

Courage Is Calling: Fortune Favors the Brave

How to Think Like a Roman Emperor: The Stoic Philosophy of Marcus Aurelius

The Story Of Aristotle's Philosophy (Unabridged)

Philosophical Investigations

The Republic: Plato

Philosophy of Science: A Very Short Introduction, 2nd Edition

Lives of the Stoics: The Art of Living from Zeno to Marcus Aurelius

Philosophy 101: From Plato and Socrates to Ethics and Metaphysics, an Essential Primer on the History of Thought

The Philosophy Book: Big Ideas Simply Explained

Republic

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Human, All Too Human

Hegel: A Very Short Introduction

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Kant: A Very Short Introduction