The development of new information technology has created an interest in the development of digital libraries. This book provides an overview of the various concepts of digital libraries. It covers a wide range of topics related to digital libraries, from historical developments to the process of digitization. It also offers information on 'how to do digitization, ' including such topics as e-resources, digital library services, preservation, process of digitization, e-journals, e-books, networks, consortia, etc. The book - based on library science research in India - will be helpful to those who deal with archiving, digitization, and preservation of library materials; those who are concerned with modernization and digitization of library resources; and those who are involved in organizing and establishing digital libraries. A special feature of the book is that it consists of a Glossary of words frequently used for digitization and digital libraries. Diagrams are given wherever necessary to understand the concepts clearly