Collection

From the author of the award-winning Which One Doesn’t Belong? and How Many? comes How Did You Count?, the latest title in Christopher Danielson’s collection that is sure to spark conversation, questioning and wondering amongst both younger and older stud

WE Games Black Leatherette Backgammon Set

Hands-On Combinatorics by Brian Hopkins

A group biography of seven enduring and beloved games, and the story of why―and how―we play them.

Great for Work, School, or Traveling!

Black t-shirt with Golden Mean symbol in white ink

"This handy guide is here to bring the internet age a much needed dose of old-school logic (really old school, a la Aristotle)!”

Plato's Ghost

Perfection Game

First Six Books of the Elements of Euclid, The

Manga Guide to Statistics

Math GAMES With Bad Drawings - The Book