This work is a children's story picture book. It tells the story of the protagonist, Mother Night, who traveled around the earth at the beginning of the world. She wanted to find what she longed for, but what was it? Mother Night searched everywhere, but to no avail, until she gave birth to a child named "Day". Her love for her child and the inevitable separation made Mother Night gradually understand the true meaning of love.
This work uses literary narrative to reveal sobering issues in the parent-child relationship: growing up is not only the task of children, but also the mission of parents. How to correctly handle the care and love for children will become a lifelong learning topic for parents.
In addition, this work also uses literary stories to explain the scientific knowledge of the alternation of night and day, integrating scientific knowledge into literature. It is a picture book with rich layers, profound ideas, and can be read again and again.