Learning Library Science Series was planned to give the students of LIS a complete and comprehensive study material so as to familiarize them with all there is to learn about basics of library science. This series has been divided into six parts, each of which is dedicated to one basic aspect of library and information science. The present series consists of six books in all. Its first part deals with Library and Society, second is Learn Library Management, third is Learn Library Classification (Theory), Fourth being Learn Library Cataloguing (Theory), fifth, Learn Reference Services, Information Services and their Sources and the last and sixth being Learn Computer Basics and its Application to Libraries.