It is one of the great Chinese classical novels. It tells the story of about 108 persons from all walks of life, at the end of the Song dynasty (960-1127BC). The injustice forced them to gather at Liangshan Mountain, protected by marshes, and defy armies sent against them. They did a heroic acts, protected poor against the tyrants. This novel is great and wonderful because of the precise description of the characters and the vitality of its words.