Historical and Philosophical Dimensions of Logic, Methodology and Philosophy of Science: Part Four of the Proceedings of the Fifth International Congress of Logic, Methodology and Philosophy of Science, London, Ontario, Canada-1975

Being Logical: A Guide to Good Thinking

Foundational Problems in the Special Sciences: Part Two of the Proceedings of the Fifth International Congress of Logic, Methodology and Philosophy of Science, London, Ontario, Canada-1975

A Rulebook for Arguments: Edition 5

Basic Problems in Methodology and Linguistics: Part Three of the Proceedings of the Fifth International Congress of Logic, Methodology and Philosophy of Science, London, Ontario, Canada-1975

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

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

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

Rudolf Carnap, Logical Empiricist: Materials and Perspectives

A Course in Miracles - Explanations of Major Themes

Kant’s Philosophy of Physical Science: Metaphysische Anfangsgründe der Naturwissenschaft 1786–1986

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

Wittgenstein in Florida: Proceedings of the Colloquium on the Philosophy of Ludwig Wittgenstein, Florida State University, 7–8 August 1989

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

Frege Synthesized: Essays on the Philosophical and Foundational Work of Gottlob Frege