VER 60,000 English titles worldwide are published every year. Many are school textbooks. Other big categories are popular retail sale publications. Books written for the public library market, such as how-to books, represent another large market. However, used books possess a dimension beyond that of other merchandise. Books are cultural artifacts. Some carry emotional baggage. Old books may have spiritual and perhaps intellectual values; they rarely have monetary value.

The monetary value of most books relates to the demand for them; value is only important if demand supports it. How does one determine books that need appraising? And what are books of value that command real money?