Essential Calculus with Applications

Elementary Real and Complex Analysis

An Introduction to Complex Analysis

Modern Calculus and Analytic Geometry

Number Theory: Structures, Examples, and Problems

An Introductory Course in Elementary Number Theory

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

Notebooks of Srinivasa Ramanujan: Volume II, Volume 2

An Introduction to the Theory of Linear Spaces

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

A History of Pi

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

Applied Complex Variables

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

Proof and the Art of Mathematics

My Search for Ramanujan: How I Learned to Count

Class Groups of Number Fields and Related Topics

Complex Variables