One is to ask for paper books according to the information;

The second is to log in to the database with your reader card, such as Founder e-book database, to see if there is this book;

Third, wait patiently to see if this book has any copyright to donate to the national map.

Digital library is a library that uses digital technology to process and store all kinds of graphic documents, which is essentially a distributed information system for multimedia production. It uses digital technology to store various information resources in different carriers and different geographical locations, so as to facilitate cross-regional and object-oriented network query and dissemination. It involves the whole process of information resources processing, storage, retrieval, transmission and utilization.

Generally speaking, the digital library is a virtual library without walls, an extensible knowledge network system based on network environment, a super-large-scale, distributed and easy-to-use knowledge center, which can realize seamless linking and intelligent retrieval across databases and is not limited by time and space.

Digital library is not a library entity: it corresponds to the real social activities of various public information management and dissemination, which is manifested in various new information resource organizations and information dissemination services. It draws lessons from the library's resource organization mode, relies on high-tech such as computer network communication, and aims at the universal acquisition of human knowledge, creatively uses knowledge classification and accurate retrieval methods to effectively sort out information.