Cut through the jargon with this accessible guide to philosophy - introducing 50 ideas that drastically changed the way we think about life and reality. This richly illustrated full-color hardback guides readers through the history of philosophy, from the ancient Greeks to present times. Ranging from epistemology to existentialism and featuring ideas from philosophers as varied as Plato, Immanuel Kant, and Jean-Paul Sartre, this essential guide will bring you up to speed on the core themes and theories of this great subject. Chapters include: - Determinism and Free Will - Plato's Allegory of the Cave- Nietzsche's Superman- The Philosophy of Time- Marx's Historical Materialism - The World as a Computer Simulation With complex ideas explained with useful diagrams and real-life examples, this entertaining guide will help you answer the most profound questions about existence. ABOUT THE SERIES: The 50 Essential Ideas series brings together entertaining, highly visual guides to different disciplines, from philosophy to physics. It explores the subject's 50 greatest ideas, giving readers an accessible overview of its defining theories and breakthroughs.