The Math Book: From Pythagoras to the 57th Dimension

Math Storm Olympiad Problems

The Pattern Book: Fractals, Art And Nature

Short-Cut Math

Surfing through Hyperspace: Understanding Higher Universes in Six Easy Lessons

Origami Design Secrets: Mathematical Methods for an Ancient Art, Second Edition, Edition 2

The Zen of Magic Squares, Circles, and Stars

My Best Mathematical and Logic Puzzles

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

An Introductory Course in Elementary Number Theory

Alex's Adventures in Numberland: Dispatches from the Wonderful World of Mathematics

Concepts of Modern Mathematics

Notebooks of Srinivasa Ramanujan: Volume II, Volume 2

536 Puzzles and Curious Problems

The Book on Games of Chance: The 16th-Century Treatise on Probability

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

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

A History of Pi