Boethius: On Aristotle On Interpretation 1-3

Being Logical: A Guide to Good Thinking

Boethius: On Aristotle on Interpretation 4-6

A Rulebook for Arguments: Edition 5

How to Cope: An Ancient Guide to Enduring Hardship

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

The Consolation of Philosophy (translated by H. R. James M.A.)

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

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

Boethian Number Theory: A Translation of the De Institutione Arithmetica (with Introduction and Notes)

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

A Course in Miracles - Explanations of Major Themes

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

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

The Critical Thinking Toolkit

Logic for Philosophy

Logic: A Very Short Introduction: Edition 2

Modern Philosophy: An Introduction and Survey

The Pig That Wants to Be Eaten: 100 Experiments for the Armchair Philosopher