What kind of old books are collectible?

The collection value of old books depends on many factors, such as edition, year, author, publishing house, content and so on. Generally speaking, there are four kinds of old books suitable for public collection: newspapers, comics, ancient books and text singles. Among them, old newspapers and periodicals have high historical value because of their high brand of the times; Comic books are the gospel of countless people in the age of material shortage, leaving countless beautiful and unforgettable memories in childhood; The number of ancient books originally preserved is very small, so it is expensive; Literary singles include novels, essays, etc. Some books have high collection value because of their exquisite ink printing, large format, good paper quality and limited quantity.