★New works by the best-selling popular science writer Natalia Ivanovna in Russia! Her works have been authorized to be published in China!
★This series uses a fun way, colorful and bright illustration comic style, to help children understand popular science and cultural knowledge in different fields of the world!
★It can expand children's vision and knowledge, promote the development of language and logical thinking, improve attention and memory, and is recommended for children aged 6-10 to read.
★ Are you ready? You are about to enter an extraordinary journey of discovery!

This series includes 4 books: "Science and Technology" ,"Various Occupations" ,"The Secret of the Human Body", "Encyclopedia of Myths"

Humans have invented many different machines and machines: cars, planes, helicopters, rockets, trains, ships... Professor Leo, the cat scholar, Robin the robot and their friends will tell young readers about different types of technology.
What mode of transportation is called rail transit? What about trackless transportation? What is a ropeway? What is the space station like? What car brands are there? You will find answers to these and many more questions!
The content of this book is based on the real history of scientific and technological development. In addition to the hard-core science knowledge, there are also some interesting maze games and activities to cultivate concentration waiting for you! Plus, you'll learn about some important traffic rules and road signs.