This book presents a series of recent studies that introduce current topics and novel concepts in the field of information science. Among the chapters are discussions of the contribution of information science to society in the dual context of the Fourth Industrial Revolution and Agenda 2030, some negative aspects of information behaviour, including criminal activities in the dark web and the hikikomori phenomenon, the hot issues of fake news and hate speech from a library and information science perspective, gamification in libraries, and the new concepts of 'jamography' and 'disnormative information'. Intended for information specialists and researchers, librarians and library and information science students, the book analyses how people use information, what their information needs are and how these needs are satisfied in today's digital world. The book can also serve as a useful reference for the education and training of students and specialists in library and information services.