Mensa Ltd

Prove your logical and arithmetical prowess by solving the exceptionally tricky problems in Mensa's Most Difficult Number Puzzles. This full-colour book features a huge variety…

Test yourself against a fiendishly tricky series of IQ test-style puzzles, the perfect training for those who want to prepare for a Mensa IQ test.…

Improve your mind's power and unlock your full potential with the first in Mensa's new brain-training series. This full-colour book guides you through eight chapters,…

Improve your powers of memory and recall and unlock your full potential with this brand-new title in Mensa's brain-training series. This full-colour book guides you…