There are two kinds of people in the world: those who love puzzles and those who can't stand them. Intricate problems can challenge but also disturb intelligence. Fixx introduces you to this fascinating and controversial minefield by explaining first what is intelligence in the strict sense. You will be delighted with a group of puzzles of various kinds -mathematical, verbal, logical- that will test your mind and your patience. But Fixx will also reveal some techniques that will help you get the most out of your talent and prepare you for the ultimate test. A final IQ test will give you clues as to your fitness to join perhaps the most exclusive intellectual club the world has ever known: Mensa. So you want to know if you are you a genius? Try this: Two men play chess. They play five games and each wins the same number of games as the other. How?