Theaetetus

Being Logical: A Guide to Good Thinking

The Republic

A Rulebook for Arguments: Edition 5

Republic

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

The Trial and Death of Socrates: Four Dialogues

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

Great Dialogues of Plato

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

Symposium

A Course in Miracles - Explanations of Major Themes

The Last Days of Socrates

The Laws

A Reasonable Response: Answers to Tough Questions on God, Christianity, and the Bible

The Atlantis Dialogue: The Original Story of the Lost City, Civilization, Continent, and Empire

There Are Two Errors in the the Title of This Book, Revised and Expanded (Again): A Sourcebook of Philosophical Puzzles, Problems, and Paradoxes, Edition 3

Six Great Dialogues: Apology, Crito, Phaedo, Phaedrus, Symposium, The Republic

The Critical Thinking Toolkit