The book consists of 15 chapters, including: Catching the turtle in the urn-the secret of trading volume, calculation formula-the conversion equation of volume and price, the relationship between volume and price-nine rules determine the trend, the position of volume and price-know the law of market advances and retreats, the situation of volume and energy-identify the market''s dealer actions, the sky-high price-open the road to the sky, and the land-quantity and land-price-the world is different after the cloud and mud.