Faithin Omaha eBook Collection

I very much enjoy your codewords - the best Ive found. I suffer a lot of long-distance flights and they are perfect to while away the hours between London and S

Convenient, enjoyable, stylish, Pocket Posh® Codewords combines a wonderfully attractive package with 100 codeword puzzles. The Posh and Pocket Posh® puzz

This collection of 140 intriguing and challenging codebreaking puzzles are produced in association with the Bletchley Park Trust. Follow in the footsteps of Wor

Collected over several years by Peter Winkler, of Bell Labs, dozens of elegant, intriguing challenges are presented in Mathematical Puzzles. The answers are eas