Advanced Abacus: Theory and Practice

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

An Introductory Course in Elementary Number Theory

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

Finding Zero: A Mathematician's Odyssey to Uncover the Origins of Numbers

How Numbers Work: Discover the strange and beautiful world of mathematics

Girls Get Curves: Geometry Takes Shape

A History of Pi

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

Number Theory: Structures, Examples, and Problems

Ramanujan's Place in the World of Mathematics: Essays Providing a Comparative Study

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

Proof and the Art of Mathematics