Variational Methods for Boundary Value Problems for Systems of Elliptic Equations

Concepts of Modern Mathematics

Fundamental Concepts of Geometry

How to Solve It: A New Aspect of Mathematical Method

Mathematician's Delight

Geometry, Its Elements and Structure: Second Edition, Edition 2

Measurement

Essential Algebra: A Self-Teaching Guide

Number Theory: Structures, Examples, and Problems

Mathematics for the Physical Sciences

Calculus For Dummies: Edition 2

Calculus: An Intuitive and Physical Approach (Second Edition)

Algebra I For Dummies: Edition 2

Complex Numbers from A to ... Z: Edition 2

Beautiful Geometry

Geometry For Dummies: Edition 3

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

Calculus Refresher

Linear Algebra Done Right: Edition 3