Regular Algebra and Finite Machines

Lost in Math: How Beauty Leads Physics Astray

On Numbers and Games

Math Storm Olympiad Problems

The Book of Numbers

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

An Introductory Course in Elementary Number Theory

On Quaternions and Octonions

Health Behavior Change: Theories, Methods and Interventions, Edition 2

Winning Ways for Your Mathematical Plays, Volume 4: Edition 2

Notebooks of Srinivasa Ramanujan: Volume II, Volume 2

The Magic Theorem: A Greatly-Expanded, Much-Abridged Edition of The Symmetries of Things

The Symmetries of Things

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

A History of Pi

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

Number Theory: Structures, Examples, and Problems