This pamphlet describes the many services that the Library of Congress (LC) provides. A brief historical background of the Library's founding is followed by descriptions of LC's buildings and facilities. Other topics which are presented include the library's extensive collection, which runs the gamut from papyrus to optical disk; services to Congress; Copyright Office activities; scholarly resources; services to libraries; and cultural programs. Information for visitors to the library concludes the pamphlet. (MAB)