Chang Xiaoyu 
Mysterious Grain School [EPUB ebook] 

Facing children’s picky eating, aversion to food, not eating well, and wasting food, Teacher Aisha and parents are very troubled, trying various methods with little effect. It was not until the principal’s suggestion that Teacher Aisha took the children to the mysterious Grain School. There, the children not only learned about the history and knowledge of the five grains, but under the guidance of the Gem Man and the Solar Terms Plate, the acting principal "Mao Gan Gan" also led the whole class to use their brains, overcome difficulties, and complete the whole process from selecting seeds, seedling, sowing, and irrigation to fertilizing, and harvesting rice. In the end, Mao Gan Gan and the students understood the hard work and dedication of the farmers, as well as the hardships of labor, the value of food, and the culture and wisdom in farming.