Classifying Spaces and Classifying Topoi

How to Solve It: A New Aspect of Mathematical Method

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

Concepts of Modern Mathematics

Algebra II For Dummies: Edition 2

Sets, Models and Proofs

Mathematics for the Physical Sciences

Simplicial and Dendroidal Homotopy Theory

Models for Smooth Infinitesimal Analysis

Matrices And Linear Algebra

Simplicial Methods for Operads and Algebraic Geometry

The Joy Of X: A Guided Tour of Math, from One to Infinity

Mathematician's Delight

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

A Beginner's Guide to Constructing the Universe: The Mathematical Archetypes of Nature, Art, and Science

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

Basic Math & Pre-Algebra For Dummies: Edition 2