Digital libraries have become a prominent source of knowledge distribution for general readers, students and researchers in educational institutions across the world. A digital library is a collection of different types of data, such as texts, novels, appendices, video material, etc. in electrical form. Digital library is a revolutionary form of data accumulation and distribution since they only acquire digital spaces and are easily accessible. This book covers some fundamental concepts, theories and practices relevant to the field and presents them in a comprehensive manner for easy interpretation of the reader. This book explores all the important aspects of digital libraries in the present day scenario.