Mensa Logic Brainteasers
Over 150 Diverse Logic Puzzles. »

The Brain Fitness Workout
Brain Training Puzzles To Improve Your Memory, Concentration, Decision Making Skills And Mental Flexibility »

Test And Assess Your Iq
Numerical, Verbal and Spatial Aptitude Tests »

More Iq Testing
250 New Ways to Release Your IQ Potential »

The Complete Book Of Fun Maths
The idea of this book is to help build confidence with maths via a series of tests and puzzles. After a gentle 'warm-up' section, the puzzles and tests get ... »

Mensa Challenge Your Iq
 »

Quick-Fire Puzzles For Lateral Thinkers
Interactive Quiz »

Advanced Iq Tests
The Toughest Practice Questions to Test Your Lateral Thinking, Problem Solving and Reasoning Skills »

I.Q. Interactive Puzzles
 »

Agilice Su Mente
 »