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Library science is the study of libraries and the principles and practices of library management. It involves the organization and management of information resources, including books, periodicals, and electronic materials, as well as the development and use of library systems and technologies. Library science professionals work in a variety of settings, including public libraries, academic libraries, and special libraries, and may be responsible for tasks such as cataloging and classification, reference services, collection development, and instruction in the use of library resources.