"The 21st century is the era of electronic communication; knowledge and technology have become borderless, and have become the foundation for all appropriate decisions for socioeconomic development of people. Information and communication technologies (ICT) enable the process of identification, collection, storing, processing and disseminating of information. The library and information science professionals are using ICT to keep pace with the problem of information explosion. Information is the key factor of any kind of research and development. Information is a fundamental resource which is essential for survival in today’s competitive and wired world. The library is the main information centre which can make use of the fat development IT for the benefits of mankind as a whole. The librarian’s preference of IT should include all those technologies which are expected to be used in the library activities/ operations and other library services for collection, processing, storage, retrieval and dissemination of recorded information, the fast developing information technologies have showered almost every areas of application including libraries. The information itself and way it is accessed have undergone changes owing to the developments in information and communication technology. It is a vital ingredient for socioeconomic and cultural development of any nation or individual. Information is an indispensable for human development as air is essential for the survival of all living organisms on earth, including human beings. The pace of change brought about by new information technologies has a key effect on the way people live, work, and play worldwide. The increasing role played by information technology in the development of library services for an active reaction to the challenges of the information service providing. Two-Volume ‘Brig’s Handbook of Methods & Research in Library Science and Information Technology’ attempts to discuss the fast development of Information Technology and its application in the library services. Today libraries are equipped to accomplish the newly Information Technology based services. Information Technology enabled services fulfill the information needs of the users at the right time in the right place to the right person. This work illuminates emerging technologies librarians’ roles, responsibilities, and competencies in job advertisements and actual practice. Technology continues to rapidly evolve, changing the way people communicate, industries produce, and information flows. Libraries can leverage these emerging technologies in providing new resources and services that meet their patrons’ point-of-need location, device preferences, and information seeking behaviors. New technologies can also make libraries more efficient in utilizing financial, staffing, and space resources. These new technologies also create additional demands upon busy library staffs. One response from libraries has been creating a dedicated position, the emerging technologies librarian."