The present book is written as a guide for the candidates, who appear in UGC-NET/SET/SLET examinations to be successful for the selection and appointment as Assistant Professor in library and information science departments and assistant librarian in university libraries as well as librarians in other regional institutions and Academic Institutions in India. We are very happy in presenting the 4th revised and enlarged edition of the book: Objective Questions in Library and Information Science (Paper II) according to new syllabus and patterns of NET/SLET examinations. In the book, the whole matter has been arranges into 10 units as prescribed by the UGC for the NET test. In the end matching type questions and answers have also been provided for matching of words with their meanings and Abbreviations also for the use of the aspirants. The book entitled “LIBRARY AND INFORMATION SCIENCE REFERENCE MANUAL FOR UGC NET/ LECTURESHIP/SLET/SET COMPETITIVE EXAMINATIONS: OBJECTIVE TYPE QUESTIONS WITH ANSWERS”. It is in fact, a humble attempt to bring MCQs in a nutshell for easy comprehension by students of Library and Information Science field. This Book is divided into ten chapters. The nine chapters deal with one specific branches of the discipline. The tenth chapter is true and false type questions. We hope that this book, it will be helpful to the candidates of Library and Information Science appearing in UGC-NET/JRF and SLET and other competitive examinations and various interviews. Dr. N.O. Natarajan, presently working as Assistant Professor in Department of Library and Information Science, Annamalai University, has obtained his PhD in Library and Information Science from Annamalai University. He has 13 years of teaching experience. He holds BSc, MLIS, MPhil degrees. He has produced two Ph.D and 12 M.Phil scholars. Further, six scholars are doing Ph.D under his guidance, and his areas of interest are Information Seeking Behaviour, Information and Communication Technology, Bibliometric and Scientometric studies. He is a life member of ILA and SALIS, TLA, MALA, and has published more than 60 research papers in international journals, and also more than 56 research papers in national level journals. He has presented a number of research papers in various conferences/seminars in national and international levels. He is an associate editor of IJIRM (International Journal of Library and Information Science), he is one of the editors in Time Journal of Social Sciences (TJSS-International). He is member in board of studies and external examiner in few universities. He has published three books and has contributed more than fifteen chapters in various books both in national and international levels.