Magnificent seven: The happy number

The Magic of Math: Solving for x and Figuring Out Why

Algebra: A Complete Introduction: The Easy Way to Learn Algebra

What Is Mathematics, Really?

Calculus Made Easy: Being a Very-Simplest Introduction to Those Beautiful Methods of Reckoning Which are Generally Called by the Terrifying Names of the Differential Calculus and the Integral Calculus

Problems and Solutions for Integer and Combinatorial Optimization: Building Skills in Discrete Optimization

Girls Get Curves: Geometry Takes Shape

Mathematics for JEE (Mains & Advanced): Door to IIT…

Math 2 Common Core 10th Grade (Speedy Study Guides)

Attacking Problems in Logarithms and Exponential Functions

The USSR Olympiad Problem Book: Selected Problems and Theorems of Elementary Mathematics

Advanced Calculus (Revised Edition)

Humour to learn Mathematics: mathematical tasks to laugh and learn

Out of the Labyrinth: Setting Mathematics Free

Second Handbook of Research on Mathematics Teaching and Learning: A Project of the National Council of Teachers of Mathematics