 Philosophical Investigations by Ludwig Wittgenstein |  The Warrior Within by John Little |  Tractatus Logico-Philosophicus by Ludwig Wittgenstein |  On Certainty by Ludwig Wittgenstein |  Nietzsche and Zen by Andre van der Braak |  Musashi's Book of Five Rings by Stephen F. Kaufman |  Luhmann Explained by Hans-Georg Moeller |  5000 B.C. and Other Philosophical Fantasies by Raymond Smullyan |  Process and Reality by Alfred North Whitehead |  The Philosophy of Jesus by Peter Kreeft |  A New Guide to Rational Living by Albert Ellis |  How to Read Wittgenstein by Ray Monk |  Nothing Matters by Ronald Green |  The Death of God and the Meaning of Life by Julian Young |  This Book Needs No Title by Raymond Smullyan |  A Brief History of Analytic Philosophy by Stephen P. Schwartz |  The Quest for Community by Robert Nisbet |  Philosophy of Mind by William Jaworski |  What Is Tao? by Alan Watts |  First Principles by Herbert Spencer |