★ This series is a children's science popularization picture book that explains various aspects of life, covering scientific fields such as technology, humanities, geography, transportation, architecture, animals, plants, etc., with rich themes to meet the different interests and needs of young readers.
★ Guided by the scientific concept of "learning originates from curiosity", guiding young readers to think and nurturing their curiosity and exploration desire.
★ Answering questions and puzzles for young readers in the form of illustrations: 14 ocean wonders, 13 underground cross-sectional views, 136 interesting animals, 52 farm knowledge, 110 must-see attractions, 55 transportation modes, 43 ancient dinosaurs, 31 universe mysteries...

There are 8 books in this series: Mysterious Ocean, Secrets of the Underground, Animal Kingdom, Joy Farm, Travel around the World, Vehicles, Dinosaur Empire, and Space Exploration.

Do you know what water circulation is? Do you know what primitive oceans are like? Is there a sea monster in existence or not?
Open this book, dive into the depths of the ocean, and surface again to explore the mysterious marine world together! There are colorful whales, beautiful coral reefs... You'll witness a bird's paradise on the rocky cliffs of the coast, feeling the changing tides as the sea surges.

Huang Chunhui is currently a professor at the School of Chemistry of Peking University and a professor at the Advanced Materials Laboratory of Fudan University. In 2001, he was elected as an academician of the Chinese Academy of Sciences.

Guo Hongwei is a professor and doctoral supervisor at the School of Life Sciences, Peking University. Since 2016, he has been serving as a chair professor in the Department of Biology at the South University of Science and Technology.
In July 2017, he was commissioned by the South University of Science and Technology to establish the Institute of Plant and Food Research and served as the first director of the institute.

The Primitive Ocean
Do You Know What Water Circulation Is?
What the Ocean Depths Are Like?
A Mysterious Undersea World
A Good Assistant for Exploring the Ocean - Submarines
Animals around Coral Reefs
Colorful Whales
Which Animals Live in the Polar Regions and Oceans?
The Rocky Cliffs of the Coast Are a Paradise for Birds
Intertidal Zone of Extreme Climate
The Legendary Sea Monster
What Is the Tidal Phenomenon of Seawater?
The Ocean Is a Treasure Trove of Human Resources
Protecting the Ocean Is Everyone's Responsibility