The book is prepared keeping in view the necessity of all library professionals and students who are trying to clear any of the various competitive examinations in the field of Library and Information Science. The book has been written keeping in mind the basics of the subject as well as the evolving and emerging concepts which are necessary for every student to grasp to be able to clear the competitive examinations. Concepts have been theoretically explained in detail wherever the same could not have been explained in the form of MCQs. Not only does this book contain the solved NET question papers of last two years, it also has ample guess questions and practice questions which would help the reader in practicing. It is hoped that this book shall be a value addition in the aspirant’s bank of knowledge and shall go a long way in helping them succeed in the competitive examinations.