Tetonor rules: each number in the main grid can be formed by adding or multiplying a pair of numbers in the strip below the grid. Each pair of numbers should be

Dozens of compelling and addictive mathematical puzzles twillchallenge your mental arithmetic and powers of deductive reasoning. Tetonor rules: each number in t

The Rough Guide to Yellowstone & Grand Teton is your definitive guidebook to this storied region of the American west; designed to help you best enjoy your trip

Trout Bum is a fresh, contemporary look at fly fishing, and the way of life that grows out ofa passion for it. The people, the places, and the accoutrements tha

A mental workout to rival Su Doku! Dozens of compelling and addictive maths puzzles to challenge your mental arithmetic, multiplication skills and powers of ded