This book is an essay collection of Chinese food, which contains 84 delicacies and 12 cities. From the food writer Xiao Kuan's personal experiences, it tells the broader world of diet. Volume 1 tells the food and customs of different places, making up an adventure of the tongue between the lines. Volume 12 tells the author's wandering in 12 cities, which tells the delicacy of the city and the inside stories.