Existentialist Thinking: Skepticism and Existentialism Explained in Detail

Logically Fallacious: The Ultimate Collection of Over 300 Logical Fallacies (Academic Edition)

Skeptical Thinking: How to See Life through the Eyes of Skeptics and Existentialists

What Would Plato Think?: 200+ Philosophical Questions That Could Change Your Life

Critical Thinking: Skills to Become an Independent Thinker and Intelligent Analyst

A Rulebook for Arguments

Philosophers: The Philosophies of the Greatest Thinkers in History

Logic: A Very Short Introduction, 2nd Edition

Stoicism: Learning about Stoicism, Skepticism, and Existentialism

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

Philosophy: Marcus Aurelius, Hipparchia, Heraclitus, Diogenes, Parmenides, and More

The Logic of Scientific Discovery

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

The Categories – Audiobook: The Categories: Aristotle's Foundation of Philosophical Thought

Language, Truth and Logic

A Theologico-Political Treatise/A Political Treatise

Ethics (Complete)

The MEDITATIONS of Marcus Aurelius

The Phenomenology of Mind