Fundamentals of Group Theory: An Advanced Approach

Lecture Notes for Linear Algebra

Lattices and Ordered Sets

Concepts of Modern Mathematics

Algebra II For Dummies: Edition 2

Introduction to the Mathematics of Finance: From Risk Management to Options Pricing

An Introduction to the Language of Category Theory

Matrices And Linear Algebra

An Introduction to Catalan Numbers

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

The Umbral Calculus

Mathematician's Delight

Essential Math for Data Science: Take Control of Your Data with Fundamental Linear Algebra, Probability, and Statistics

Elementary Linear Algebra

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

Basic Math & Pre-Algebra For Dummies: Edition 2