books by subject
Philosophical Logic

Six Thinking Hats

The Languages of Logic: An Introduction to Formal Logic

Beginning Philosophy

Tractatus Logico Philosophicus

Walking the Tightrope of Reason: The Precarious Life of a Rational Animal

Think!: Before It's Too Late

The Great Philosophers: Aristotle

Wittgenstein's Beetle and Other Classic Thought Experiments

The Cement of the Universe: A Study of Causation

Logical Negation

Tractatus Logico-Philosophicus (Chiron Academic Press - The Original Authoritative Edition)

The Great Philosophers

Computational Logic and Human Thinking: How to be Artificially Intelligent

Cracking Philosophy

Carnap's Ideal of Explication and Naturalism

The Shorter Logical Investigations

Dummett on Abstract Objects

New Waves in Philosophical Logic

Logic (Teach Yourself)

Set Theory and Its Logic, Revised Edition

Critical Thinking Tests: Understanding Critical Thinking Skills, And How To Pass Critical Thinking Tests

Anxiety and Depression (How to Cope Sucessfully with...) (How to Cope Successfully with)

Introducing Logic: A Graphic Guide (Graphic Guides)

Philosophy of Mind: Teach Yourself

Critical Reasoning: A Practical Introduction

Syncope: The Philosophy of Rapture

Vicious Circles and Infinity: An Anthology of Paradoxes: A Panoply of Paradoxes

The Philosophy of Freedom: The Basis for a Modern World Conception

Proofs and Refutations: The Logic of Mathematical Discovery
