In Chinese Literature, there are two well-known stories about changing life. They are also highly recommended by Master Chin Kung. The first one is Liao Fan's Four Lessons. And another one is Yu Jing Yi Meets the Kitchen God.
Both stories are so great that many people read, learn and follow the teachings. The first one, Liao Fan's Four Lessons seem to be more well-known than the second one. At first the two stories are freely distributed in the form of books only. They are not copyrighted cause the main purpose of the two stories are benefits all beings.