The book "Use of Library and Information Science Online Discussion Groups" by Ashraf Kumar examines the use of online discussion groups in the field of library and information science by university librarians affiliated with the University of Delhi. The study highlights how these professionals participate in discussions, the topics they address, and the challenges they encounter. In an era where information and communication technologies (ICT) have revolutionized the communication landscape, the importance of such online platforms for the exchange of knowledge and experiences within the library community is emphasized. The book provides valuable insights into the dynamics of professional interaction and the role of social networks in library science.