Beautiful Symmetry

The Language Lover's Puzzle Book: A World Tour of Languages and Alphabets in 100 Amazing Puzzles, Paperback

So You Think You've Got Problems?

Visions of the Universe: A Coloring Journey Through Math's Great Mysteries

Soccer School Season 2: Where Soccer Explains (Saves) the World

Can You Solve My Problems?: Ingenious, Perplexing, and Totally Satisfying Math and Logic Puzzles

Soccer School Season 1: Where Soccer Explains (Rules) the World

Here's Looking at Euclid: From Counting Ants to Games of Chance - An Awe-Inspiring Journey Through the World of Numbers

The Grapes of Math: How Life Reflects Numbers and Numbers Reflect Life

Football School Facts: A Fact for Every Day of the Year