Over 200 puzzles that will examine your intelligence and exercise your brain in order to help prepare for an IQ test.

How to Excel at IQ Tests is a complete practical course in how to boost your IQ score. It starts by explaining exactly what IQ is and how it is measured. Then m

A group of fun and very challenging number puzzles to test one's abilities with solving math and logic problems.

A series of IQ-style tests that have been created by Mensans, with the aim of specifically improving various aspects of your problem solving and pattern recogni