This book is about the latest developments in the field of Library & Information science. In ancient times libraries were the only storage of books. But nowadays there is a big revolution after the "Library Automation". In our digital era there are many combinations of books & e-books are very much in demand in the market. So for managing the books & e-books there are various types of library management software in the market which is very much demanding in library services. Nowadays social media has a great impact on our life & library professionals are very much influence by the effect of social media. Through social media they can interact throughout the world & exchange their resources very smoothly. So it is a very powerful medium for exchange of information & resources & many librarians sharing their information through social media. Scientometric analysis has a new trend in the study of Library & Information science study. Similarly many authors study bibliometry, webometry study & it is very much popular in recent times.