In this textbook:are Many interesting, entertaining facts. They will surprise a child and will do studies unboring.are Many questions on a reflection. Answers for them are often ambiguous, as well as in life.it is Unusual presentation of educational materials. A child studies to analyse facts, but not it is simple to memorize them.it is the System serve of information. One educational themes logically pass to other, that develops the system thinking.are Quality illustrations. Illustrations are done with love, to support interest of child and save his sight.And as early as this textbook a child will find answers for questions:- Why in Africa hot, and on the North pole coldly?- How to find direction of way on a sun?- Why are polar bears named tramps?- Why a famous navigator Christopher Columbus wanted to get to India, and started swim in other side?And many other.