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More than 100 crosswords of a variety of difficulty...

Consists of a series of IQ tests, starting at...

Improve your mind's power and unlock your full potential...

This book contains a fiendish collection of over 150...

More than 200 variations of the world's favourite puzzle...

Test your powers of deduction against more than 200...

Are you ready to test your brainpower against the...

Mensa Mighty Brain Teasers is a wide-ranging collection of...

Test Your Brainpower has something to offer all types...

Test Your Brainpower has something to offer all types...

The book contains a series of workouts specifically designed...

Challenge yourself against this varied compilation of more than...

For as long as civilisations have known how to...

A series of 50 optically deceiving and mind baffling...

Mensa's Most Difficult Pattern Puzzles provides an exceptional challenge...

Even the most intelligent and brilliant minds need a...

Mensa's Most Difficult Logic Problems provides an exceptional challenge...