Being Logical: A Guide to Good Thinking

The Doors of Perception and Heaven and Hell

The Republic

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

The Sayings of Socrates

Meditations

The Sayings of Aristotle

The Genealogy of Morals

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

The Human Condition: Edition 2

The Philosopher's Book of Questions & Answers: Questions to Open Your Mind

The Sayings of Nietzsche

How to Win Every Argument: The Use and Abuse of Logic, Edition 2

Rhetoric

An Illustrated Book of Bad Arguments: Learn the Lost Art of Making Sense (Bad Arguments)

The Sayings of Charles Chaplin

A Course in Miracles - Explanations of Major Themes

The Trial and Death of Socrates: Four Dialogues

The Apology of Socrates