The Mammoth Book of Codeword Puzzles is a truly bumper collection of these hugely popular puzzles - also known as codewords, cipher crosswords and cipher word p

The variety of math, logic, and word puzzles range from reasonably straightforward to fiendishly difficult in this comprehensive collection. Fully endorsed by t

Improve your chess by studying the greatest games of all time, from Adolf Anderssen's 'Immortal Game' to Magnus Carlsen's world championship victories, and feat

A collection of word games, including Hangman, Pardon Me, travel games, vocabulary builders, and crossword puzzles

A fun programme - featuring logic, observation, number and word puzzles, in categories such as reasoning, concentration and speed - that will help to build new