Foundations and Fundamental Concepts of Mathematics

How to Solve It: A New Aspect of Mathematical Method

Set Theory and Logic

Introduction to Logic: and to the Methodology of Deductive Sciences

A Beginner's Guide to Mathematical Logic

The Gödelian Puzzle Book: Puzzles, Paradoxes and Proofs

MATHEMAICS FORMULAE

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

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

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

536 Puzzles and Curious Problems

Logic: A Very Short Introduction: Edition 2

The Maths Handbook: Everyday Maths Made Simple

That's Maths: The Mathematical Magic in Everyday Life

The Canterbury Puzzles and Other Curious Problems

Puzzles of Reason: Journey into Logic

Topos Theory