Which old books are worth collecting?

There were many types of old books with high collection value. The following were some common types: 1. Classic novels: such as "Dream of the Red Chamber","Journey to the West","Water Margins" and other classic novels, these novels have become cultural treasures with high historical value and literary value, so they are very valuable in the collection. 2. Masterpieces of Wuxia novels: For example, The Complete Works of Jin Yong's Wuxia novels and The Complete Works of Gu Long's Wuxia novels have become the classics of Chinese Wuxia novels. They have been widely spread and loved by the majority of readers, so they are also very valuable in the collection. 3. Historical documents: such as Records of the Historian, Zi Zhi Tong Jian and other historical documents. These books record important events and figures in Chinese history. They are of great significance to the study of Chinese history and culture, so they are also very valuable in collections. 4. Theory of literature and art: such as "Theory of Literature and Art","Principles of Literature" and other books on theory of literature and art. These books are an important foundation for literary research. They are of great significance to understanding the development and evolution of literature, so they are also very valuable in collections. 5. Modern novels: For example, To Live, Xu Sanguan Selling Blood, and other contemporary novels. These novels reflect the living conditions of contemporary society and the complexity of human nature, so they are also highly collectible. It should be noted that the value of old books not only depends on the content and historical value of the book, but also on the preservation and edition of the book. Therefore, when buying old books, you need to pay attention to choosing a good edition and a well-preserved book.