Children's encyclopedias by Elena Ul'eva

Elena Ul'eva is the author of books published with a total circulation of more than two million copies, a teacher with more than twenty years of experience. With the help of storytelling, she reveals dozens of topics for children, such as why the wind blows and it rains, the grass is green, and animals are different colors. How to overcome your fears and where the money comes from, how a person works and what space is.