This dictionary includes not only the terminology of the various specializations within the scope of Library and Information Science but also the vocabulary of publishing, printing, binding, the book trade, graphic arts, book history, literature, bibliography, telecommunications, computer science and various other emerging concepts in the profession. An attempt has been made to define and explain the various terms and concepts of the LIS profession in the easiest language. Moreover, for the purpose of easy understanding of the terms, the examples have also been provided, wherever considered necessary. As a rule, definition is given under an acronym only when it is generally used in preference to the full term. It is an extremely resourceful dictionary which provides detailed definitions to terminology that is utilized in the Library and Information Sciences. It is likely to be a valuable source for the LIS professionals, teachers as well as students in adding to their knowledge of profession. It will also prove to be highly beneficial for the NET aspirants in the LIS.