A Beginner's Guide to Mathematical Logic

Being Logical: A Guide to Good Thinking

Forever Undecided

How to Solve It: A New Aspect of Mathematical Method

To Mock a Mocking Bird

A Rulebook for Arguments: Edition 5

The Gödelian Puzzle Book: Puzzles, Paradoxes and Proofs

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

Reflections: The Magic, Music And Mathematics Of Raymond Smullyan

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

A Beginner's Further Guide To Mathematical Logic

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

A Course in Miracles - Explanations of Major Themes

Who Knows?: A Study of Religious Consciousness

The Tao Is Silent

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

Satan, Cantor, And Infinity And Other Mind-bogglin

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

The Riddle of Scheherazade: And Other Amazing Puzzles, Ancient and Modern