The third volume takes the history of the Song and Yuan Dynasties as the core, covering the elegant past of the Song Dynasty and the exotic secrets of the Liao, Jin and Xixia. It includes the private lives of emperors, hidden rules of officialdom, anecdotes of literati, anecdotes in the market, and interesting histories of the frontier. The literary style of the Song Dynasty was at its peak, and there were many interesting stories about the literati. It includes all the party disputes in the court, all kinds of affairs in the world, and the secret records of the harem. The political intrigues, sophistication of the world, and strange stories that are avoided in the official history are fully displayed in the unofficial history. The book has exquisite material selection, vivid and realistic stories, is both interesting and informative, and unveils the mystery of the Song and Yuan dynasties. From the palace courtyard to the streets and alleys, restore the style of the times in an all-round way, unlock multiple historical perspectives, and read the fireworks and secrets behind the dynasty.