"This is a classic work of Zhang Zhilu, a famous Chinese children's literature writer! The author Zhang Zhilu was nominated for the International Hans Christian Andersen Award, and the Chen Bochui was nominated as International Children's Literature Award Annual Book (Writing) Award. He is the winner of the China Andersen Award and has extensive influence around the world.A girl Xiu Nan,with average grade suddenly received several anonymous letters. The inquiries of parents and teachers, and the concealment of friends, made Xiu Nan feel that life was a mess. At this time, the boy Bianyu gave her a pen made of jade and engraved with cicadas. With the help of this magical pen, Xiu Nan's grades have been improved, Her great changes have aroused the suspicions of the people around... This mysterious children's novel cleverly weaves the fates of several people together. With a calm attitude and natural brushstrokes, the problems that Chinese children may face during adolescence are firmly placed in front of readers, encouraging and guiding children not to be repelled by reality, telling children that love and ideals are far stronger than pain and lose, encouraging them to adhere to their ideals and become people who are kind and upright, sympathetic to the weak, yearning for freedom, and respect individuality."

Author: Zhang Zhilu, a famous writer and playwright, is currently the deputy director of the Children's Literature Committee of the Chinese Writers Association. In 2005, he won the Chinese Andersen Award, and in 2006, he was nominated for the International Hans Christian Andersen Award. His literary works include more than 30 novels such as "Thunderbolt Beibei", "The Third Army", "Wan Wan", "The Dance of Qianwen", "Because of You" and "Illegal Wisdom".