Today, Information and Communication Technology (ICT) impacts every sector of human endeavour and even it becomes a key component in the infrastructure development in every sector be it education, health, business, economics, trade and commerce, social, communication, transportation, tourism, governance of a country, etc. Even in the present knowledge-based society where access to information is the key to development in any sector, information and communication technology plays a crucial role. Similarly, the library, which is an important part of the society, has also been affected by information and communication technology. With the advent of ICT and introduction of digital communication medium, the medium of information generation and dissemination as well as the informational demands of the society has changed. On the other hand, the working pattern of the libraries as well as the services has totally changed due to the wide impact of ICT and rapid changing needs of the users. The goal of this book is to enable its readers to enter this new age of librarianship and to acquaint themselves with the latest issues and challenges with the applications and impact of Information and Communication Technology (ICT) in libraries and its services. Furthermore, it has been tried to bring all the relevant issues related with the theme of the book on one platform. This book contains papers on various issues related with the theme of the present book written by distinguished library and information science professionals as well as academicians, which may be useful for the entire library and information science professionals as well as other academicians.