 Plato at the Googleplex by Rebecca Goldstein |  The World as Will and Idea by Arthur Schopenhauer |  Philosophy For Dummies by Tom Morris |  Modes of Thought by Alfred North Whitehead |  Philosophy: 100 Essential Thinkers by Philip Stokes |  An Inquiry Concerning Human Understanding by David Hume |  Major Works: Selected Philosophical Writings by Ludwig Wittgenstein |  The Last Word by Thomas Nagel |  Matter and Memory by Henri Bergson |  Spinoza by Roger Scruton |  The Heart of Philosophy by Jacob Needleman |  An Intelligent Person's Guide to Philosophy by Roger Scruton |  Philosophy of the Sixteenth and Seventeenth Centuries by Richard H. Popkin |  The Little Book Of Philosophy by Andre Comte-Sponville |  Zeno and the Tortoise by Nicholas Fearn |  Second Treatise of Government by John Locke |  After Liberalism by Paul Edward Gottfried |  Karl Marx by Allen Wood |  Means Without End by Giorgio Agamben |  Two Faces of Liberalism by John Gray |