The series Graded Readers for Chinese Language Learners is composed of 50 books, divided into three subseries, namely folktales, literary stories and historical stories, corresponding to Levels 1-3 respectively. In the book Chang’e Flying to the Moon, the brave tiger slayer Hou Yi was in love with Chang’e, a girl living in the neighboring village. Hou Yi went to Tianshan where he learned tremendous ability from the Queen Mother of the West and killed ten evil beasts. Then he went back home and married Chang’e. However, the villain Feng Meng who had always coveted Chang’e murdered Hou Yi. Chang’e, after eating a magical pill from the Queen Mother of the West, flied to the moon and became an immortal after avenging Hou Yi.