Library science is an interdisciplinary science incorporating the humanities, law and applied science to study topics related to libraries, the collection, organization, preservation and dissemination of information resources, and the political economy of information. Historically, library science has also included archival science.
Academic courses in library science typically include Collection management, Information Systems and Technology, Cataloging and classification, Preservation, Reference, Statistics and Management. Library science is constantly evolving, incorporating new topics like Database Management, Information Architecture and Knowledge Management, for example.