'This book contains fifteen chapters covering all related disciplines. These chapters include introduction, e- infrastructure and digital libraries, understanding e- learning, e-lending in libraries, digital library, architecture and technology, globalisation and digital library, google glass and its use in libraries, digital services in academic libraries and user\' satisfaction, e- book: major issues and concern, need for specialized staff to manage digital libraries, impact of e-resources in libraries, digital preservation: concept and strategy, issues and challenges of e-books in academic libraries, covid-19 and e-learning and e-books ecofriendly tools. Related terminology is given at the end for ready reference. This book deals with some of the emerging topics on digital libraries which would be an invaluable asset for the librarians, students and teachers in the field of library and information sciences. This book is also a valuable reference source for anyone interested in knowing more about electronic resource management system.