This handy Handbook is an outstanding, comprehensive, and indispensable resource for students, scholars, and practitioners in computer science, economics, information sciences, KM, sociology, technology, and ICT. It seamlessly integrates foundational theories with practical methodologies, providing deep insights into information sciences and research practices. In essence, it serves as a definitive and invaluable, and handy reference. -- John Wang, International Journal of Intelligent Information and Database Systems The wide-ranging contributions of this new Handbook, especially its excellent treatment of documentation and its broad approach to public libraries, provide welcome evidence of how far information science has matured beyond its early narrow positivist origins. -- Michael Buckland, University of California, Berkeley, USA With its emphasis on concepts, theories, models, and philosophies, and with a commendable historical perspective, this handbook sets out the foundations of information science thoroughly and credibly. Peter Heisigs well-chosen group of contributors gives a wide-ranging and up-to-date account of many aspects of the discipline. -- David Bawden, University College London, UK