This book is an introductory account of the rationale and methods for research in library and information science. The purpose of this book is to provide practical and theoretical insights, as well as to discuss technical skills needed to plan research projects and to collect and analyze research data effectively. The work is directed toward several audiences and is designed to be used in various ways. The book provides the reader with a better understanding and holistic view on the subject and contains a plethora of invaluable methodologies and applications to a variety of information and library science. Qualitative and Quantitative Methods in Libraries will be suitable to students as a textbook, as well as to scientists and professionals.