Here's Looking at Euclid: From Counting Ants to Games of Chance - An Awe-Inspiring Journey Through the World of Numbers Paperback $19.99
Can You Solve My Problems?: Ingenious, Perplexing, and Totally Satisfying Math and Logic Puzzles Paperback $16.95
The Language Lover's Puzzle Book: A World Tour of Languages and Alphabets in 100 Amazing Puzzles Paperback $18.95