Scientific libraries have undergone dramatic changes since the end of the 1960s. This book explains and characterises these changes and main trends, and describes their consequences for libraries. The book presents an overview and an analysis of long-term developments in the field. Professionals within library and information sciences, together with students, will find the book of interest, enabling them to understand the situation of the libraries today and also prepare them for decisions about the future. Summarises the author's unique practical experiences from 35 years of work within the field of library and information sciencesAnalyses main trends from a holistic and long-term perspectiveProvides the reader with the tools when trying to plan for and predict the future.