★ Science is everywhere—A set of interesting encyclopedias of science written by a famous popular science writer!
★ Features vivid and interesting hand-drawn cartoon characters. Teaches scientific principles in daily life through engaging cartoons!
★ Content and characters are reviewed by experts, making the series rich and authoritative in content!
★ The production and manufacturing processes of nearly a hundred items are illustrated in the series, along with numerous small facts and their extensions!
★ Suitable for both kids reading alone and reading with their parents—Let’s explore the answers in the books together with parents!
★ The series focuses on cultivating children's scientific habits and encourages them to ask questions and find answers. These great habits will benefit them for life.

The series includes 4 books: Secrets in the Kitchen; Knowledge in Household Supplies; Knowledge in the Snack Cabinet; Science in the Writing Case.

Starting from common daily necessities in life, Knowledge in Household Supplies explains the production processes of dozens of common articles of daily use. It helps young readers understand how the everyday items they see are manufactured.

Liu He: Holds a PhD from the Department of History at Jilin University, and is a senior book planner and independent writer. He has worked in children's book planning for many years. Dr. Liu excels at identifying cultural needs in children's growth and proposes nurturing Chinese children with Chinese culture. "I wish every child could soar to where they want to go, using knowledge as their wings!" he said.

Ding Han: A lecturer at Qingdao University with a PhD in Polymer Chemistry and Physics from the Department of Chemistry at Jilin University. He has previously participated in the Youth Project of the National Natural Science Foundation of China.

Lighting up the darkness—Manufacturing of light bulbs /6
Regular supplies at home—Manufacturing of mosquito-repellent incense /14
Clean teeth—Manufacturing of toothbrushes /18
Shield against viruses—Manufacturing of medical masks /22
Clothes sterilization—Manufacturing of soaps /30
Clean and sanitary—Manufacturing of bamboo pulp toilet paper /38
For infants—Manufacturing of paper diapers /44
Sewing tools—Manufacturing of needles /52
Light can reflect people—Mysterious mirrors /60
Shelter from rain and sunlight—Manufacturing of umbrellas /66
The guard of teeth—Manufacturing of toothpaste /75
Sterilization—Manufacturing of liquid soaps /80
The maintenance of leather shoes—Manufacturing of shoe polish /87
A practical invention—Manufacturing of zippers /92