Mazzanti Libri Meta Liber is the App of the Publishing House Mazzanti Libri that allows the user a new experience of reading the paper book. Thanks to the app Mazzanti Libri Meta Liber, the reader who has purchased a printed book from the Publishing House will be able to take advantage of an extraordinary amount of additional content. For example, through the app, the reader can choose whether to read the book or, by pointing to a special code printed on the pages of the work, to listen to the audio book recorded by the voice of the author or author. Furthermore, you will be able to take advantage of other multimedia contents (photo galleries, dedicated videos, links to in-depth pages). These are, in summary, the functions of the app, with which it is also possible to consult the catalog and directly and conveniently purchase the books of the Publishing House. The Mazzanti Libri Meta Liber App represents a real revolution in the publishing world, allowing the reader to maintain both the relationship with the paper book and to take advantage of the advantages of multimedia without additional costs. Finally, the Mazzanti Libri Meta Liber App allows dyslexic people to listen to the book read by a human voice (by the same author) and at the same time follow the text on paper. Good reading, good listening and good vision, all in one book!