Kant: A Complete Introduction: Teach Yourself

Sophie's World

Schopenhauer

Zero: The Biography of a Dangerous Idea

Routledge Philosophy GuideBook to Kant on Judgment

Meditations

Modern French Philosophy: From Existentialism to Postmodernism

Think: A Compelling Introduction to Philosophy

Introduction to Existentialism: From Kierkegaard to The Seventh Seal

Story of Philosophy

Nietzsche: A Beginner's Guide

The Doors of Perception and Heaven and Hell

The Republic

Beyond Good & Evil: Prelude to a Philosophy of the Future

The Sayings of Socrates

The Consolations of Philosophy

The Autobiography of a Yogi