Synopsis The book is first of its kind in the field of library and information science, which is mainly written for us, students & teachers and working librarians of India. The chapters include communication in general in the prologue and rest of them on audio-video, microform media, electronic media, storage media, hypertext, hypermedia, multimedia, networking and epilogue. These are the current trends in the field of library and information science. We hope the book will be accepted with great appreciation by the readers.