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Join the world's greatest fictional detective as you use your own powers of deduction and observation to break out of, or into, a series of rooms by solving challenging cases and …
The Big Mensa Brain Workout has been compiled by some of the world's most renowned puzzle writers. It contains more than 500 challenging puzzles of a huge variety, from word and …
Work your way through 10 precarious rooms, solving the puzzles in each one, and then escaping to the next location.
Lots of puzzles of all shapes and sizes, carefully selected to give older readers particular pleasure.
The easy-seeming questions require you to traverse a series of rectangles to find the missing length or area - but while the logic is simple, finding the answer can be a lot …
More than 100 creative and difficult puzzles based around the KGB and their 'training regimes' for would-be Soviet spies.
Art of War Strategic Puzzles provides the armchair general with a rigorous military strategic workout. There are 80 puzzles inspired by real-world generals and the battles they …