Existentialism: Figuring out the Meaning of Life and Ethics with the Great Philosophers

God Is Not Great: The Case Against Religion

Philosophers: The Greatest Philosophers and Thinkers of the World

The Critique of Pure Reason, Volume 2

Aristotle's Children: How Christian, Muslims and Jews Rediscovered Ancient Wisdom and Illuminated the Dark Ages

Stoicism: The Art of Joy and Ultimate Happiness through Stoic Philosophy

A Theologico-Political Treatise/A Political Treatise

The History of Philosophy: Thoughts from Existentialism, Stoicism, and Skepticism

Feng Shui: The Tract Of The Quiet Way

Critical Thinking: Skills to Contemplate Life, Nature, the Human Race, and More

The Most Venerable Book (Shang Shu)

Skeptical Thinking: Understanding Stoicism, Existentialism, and Other Philosophies in Life

Reason and Rationality

Skepticism: The Stoic, the Skeptic, and the Existentialist Thinkers of the World

The Great Learning

Tao Te Ching

Confucius: Philosophy in an Hour