The Digital Library – used here to connote a general category – aims to innovate the range of services offered to the public by ‘analogue libraries’ to a varied group of users. These services cross the multifaceted cases of public reading libraries (and a large and generalist pool of users), of university libraries (and an equally large pool of users made up of students, undergraduates, faculty, and researchers), and also extend to the world of conservation libraries, which attract a specialized niche audience, very often of international origin. The digitization of precious, ancient, books – both manuscript and printed – represents a great and complex challenge from many points of view (conceptual, design, implementation, logistics, econom...