Philosophy of Mathematics: Structure and Ontology

Being Logical: A Guide to Good Thinking

Varieties of Logic

A Rulebook for Arguments: Edition 5

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

Vagueness in Context

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

The Oxford Handbook of Philosophy of Mathematics and Logic

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)

Varieties of Continua: From Regions to Points and Back

A Course in Miracles - Explanations of Major Themes

Mathematical Structuralism

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