Synopsis A digital library is a library in which a significant proportion of the resources are available in machine-readable format, accessible by means of computers. The digital content may be locally held or accessed remotely via computer networks. Digital libraries can immediately adopt innovations in technology providing users with improvements in electronic and audio book technology as well as presenting new forms of communication such as wikis and blogs. Impact of digital collections is an access to digital information and the most distinguishing attribute of the information age. This book attempts to provide all basic aspects of digital library in an authentic but simple style. It describes the revolutionary changes brought out by digital libraries in the entire concept of library organisation, managements and operations. It also discusses the challenges emerging due to the adoption of newer technologies. The book will be an essential reading for practising librarians, information scientists, teachers and students of library and information science and for all those who concerned with digitisation of library collections.