Four Colors Suffice: How the Map Problem Was Solved - Revised Color Edition

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

Euler's Pioneering Equation: The most beautiful theorem in mathematics

An Introductory Course in Elementary Number Theory

Notebooks of Srinivasa Ramanujan: Volume II, Volume 2

Combinatorics: A Very Short Introduction

Alan Turing: The Enigma: The Book That Inspired the Film The Imitation Game - Updated Edition

Lewis Carroll in Numberland: His Fantastical Mathematical Logical Life

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

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

The Great Mathematicians

A History of Pi

Mathematical Conversations: Selections from The Mathematical Intelligencer

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

Proof and the Art of Mathematics

Graph Theory in America: The First Hundred Years

My Search for Ramanujan: How I Learned to Count

What Is Mathematics?: An Elementary Approach to Ideas and Methods, Edition 2