★This series of books cover a wide variety of themes. The total sales have accounted for 540k copies in Russian!
★Simplified Chinese rights is sold.
★The book series is marked with a little character (Mr. Globe). The character takes the part of a scientist who introduces readers to the described event.
★New names or new phenomenon put in bold, provided with commentary, photos or colorful pencil illustrations.
★This book series is very helpful to gain new knowledge or classify knowledge which kids already have.

There are 35 titles in this series：
What Is the Earth Made of
Descent of Human Being
What do Ships and Irons have in Common
Why the Sea is Salty
About Breathing Process
Who Defends the Country
The Meadow Flowers
Can Animals Be Friends
Why the Sky is Blue
Why does Snow Creaks?
Facts about Subway
Why do Trees Shed their Leaves
Why doesn’t the Moon fall upon Earth
Stars and Constellations
Waste Treatment
Why does Cheese have its Holes
Why do We Have Dreams?
What is Ballet?
Why does a Heart Beat?
How does a Car Work?
What is petroleum?
Forest Plants
Why does a Plane Fly?
No Paws, No Claws
Why do Mirrors Reflect?
Water Supply
How Many Eyes does a Dragonfly have?
Why do Trees Sway?
Secrets of Electricity
The World at Bottom of the Sea
Types of Dwellings
History and Development of Watches
Why do we get sick?
How does an atom work?
How was the phone invented?

　　As we know an iron cannot stay afloat while an iron vessel that is much heavier than an iron does. Moreover, the vessel does not sink even when it carries tons of cargo and hundreds of people. Why? This is Archimedes who found the answer. The book will tell you about the secret of buoyancy in water.