How to Solve It: A New Aspect of Mathematical Method

Classifying Spaces and Classifying Topoi

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

Sheaves in Geometry and Logic: A First Introduction to Topos Theory

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

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

Models for Smooth Infinitesimal Analysis

536 Puzzles and Curious Problems

Simplicial and Dendroidal Homotopy Theory

Foundations and Fundamental Concepts of Mathematics

Simplicial Methods for Operads and Algebraic Geometry

Logic: A Very Short Introduction: Edition 2

That's Maths: The Mathematical Magic in Everyday Life

The Canterbury Puzzles and Other Curious Problems

A Beginner's Guide to Mathematical Logic

Puzzles of Reason: Journey into Logic

Topos Theory