IQ tests - intelligence coefficient - appeared not so long ago, and their popularity is growing every year. We readily acquire them, test ourselves, and are often not very happy with the result... But what do we really know about our intelligence? Of course, our intellectual abilities are given to us from birth, but they can and should be developed and trained. This is not so difficult - if only you had the desire and a good teacher, whom you will find in the person of the author of this book. The exercises given by O.N. Kinyakina will help you work on your abilities at home, on vacation, on the road - in any conditions. And doing them regularly will make you the owner of superintelligence!