How The World Works: Know it all, From How the Sun Shines to How the Pyramids Were Built

Description:

We are surrounded by the magnificent creations of nature. We live in an age of outstanding achievements in science and technology. But do we always understand how this or that phenomenon? This book will explain everything - from serious to funny!

subjects: Children's encyclopedias and dictionaries,  Encyclopedias and dictionaries,  Juvenile literature,  Child and youth non-fiction,  Science,  Nature,  Technology,  Russian language materials