Book of Donmon Teith

When a mediocre mathematician solves a puzzle that has vexed savants for centuries, his moment of glory is spoiled by accusations that the solution did not orig

This innovative book uses sliding discs to introduce young children to the numbers 1 to 5.

Our grasp of numbers and uncertainty is one of humankind's most distinctive and important traits. It is pivotal to our exceptional ability to control the world

Mathematician Isaac Swift thinks he's found the solution to a puzzle that has stumped savants for centuries. If correct, he'll elevate himself to the rank of im

NATIONAL BESTSELLER • In April 1992 a young man from a well-to-do family hitchhiked to Alaska and walked alone into the wilderness north of Mt. McKinley. Four