Critical Thinking: A Beginner's Guide

The Oxford Dictionary of Philosophy: Edition 3

Philosophy: A Complete Introduction: Teach Yourself

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

Take a Stand!: Classroom Activities That Explore Philosophical Arguments That Matter to Teens

The Republic

Medieval Philosophy: A Beginner's Guide

The Sayings of Socrates

History of Western Philosophy

The Sayings of Aristotle

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

The Genealogy of Morals

The Sayings of Nietzsche

Shop Class as Soulcraft: An Inquiry into the Value of Work

Meditations

The Archaeology of Knowledge

The Complete Works: Handbook, Discourses, & Fragments

Anger, Mercy, Revenge

The Sayings of Charles Chaplin

The Trial and Death of Socrates: Four Dialogues