Publication of books; Publication of books, magazines, almanacs and journals; Publication of books, of magazines, of journals, of newspapers, of periodicals, of catalogs, of brochures; Publication of books, reviews; Publication of audio books; Publication of electronic books and journals on-line; Publication of text books; Publication of texts, books, journals; Publication of texts, books, magazines and other printed matter; Consulting services in the field of publication of books; Multimedia...