This work discours about the place for librarians in edition services. The making of a book desires a group beginning with the author, going to the editor, designer, etc. Library science influences this state of work. Editorial service is receptive to the work of librarians, with catalo graphic cards, normalization and universal bibliographic control. The ISBN makes easier circulation and commercialization of works. Library science executes its place in knowledge production and information retrieval. Action of librarians is in parts of the books. The front page, credit page, summary, index and revision of the text are parts of the work of librarian during the edition. Informatics handbooks, such as Itautec s, microcomputers factory, include this rule. The inclusion in libraries of these documents makes easier the use and understanding of electronics. CBL has a special commission for the normalization of the e-books, considered irreversible.