How to Solve It: A New Aspect of Mathematical Method

Saunders Mac Lane: A Mathematical Autobiography

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

Homology

Mathematics for the Physical Sciences

Classifying Spaces and Classifying Topoi

Math Storm Olympiad Problems

Mathematics Form and Function

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

The (Mis)Behaviour of Markets: A Fractal View of Risk, Ruin and Reward

Sets, Models and Proofs

103 Trigonometry Problems: From the Training of the USA IMO Team

Models for Smooth Infinitesimal Analysis

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

Simplicial and Dendroidal Homotopy Theory

536 Puzzles and Curious Problems

Simplicial Methods for Operads and Algebraic Geometry