Being Logical: A Guide to Good Thinking

How to Solve It: A New Aspect of Mathematical Method

Short Tricks of Math

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

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

A Course in Miracles - Explanations of Major Themes

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

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

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

A Rulebook for Arguments: Edition 5

Fast Math: Learn the Secrets of Mental Math: By Using Vedic Math and Other Math Tricks to Perform Mental Calculations from Multiplication to Percentages without Calculators

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

The Nature and Functions of Critical & Creative Thinking

The Art of Asking Essential Questions: Based on Critical Thinking Concepts and Socratic Principles, Edition 5

The Thinker's Guide to Socratic Questioning