This database consists of book buyers of a variety of topics which the list owners have not created a separate database.  These topics include anthropology, arts astronomy, biology, chemistry, geography, linguistics, literature, mathematics, music, philosophy, physics, sociology, theology and many others.  These buyers purchased one or more books from offers made by direct marketing means during the last 18 months. 

Sources:  Book Shops, Book Distributors, Mail Order Book Companies.

42% of the file are B2B and 58% are B2C data.