T his book presents a structured and focused exploration of library automation and digital services as essential tools for the modern library system. It highlights the transformation of conventional libraries into technology-driven knowledge centers through the systematic application of automation tools and digital service platforms. The book explains how modern libraries function through automated processes, digital service delivery, and integrated technological systems. With a clear emphasis on the Indian perspective, it reflects the growing adoption of automation and digital services across academic, public, and institutional libraries in India. The content is designed to provide conceptual clarity, operational understanding, and practical relevance for students, librarians, researchers, and information professionals. The book serves as a comprehensive academic resource that explains how automation and digital services together define the structure, efficiency, and service model of the modern library.