Publishing activity and in particular the publication and production of books, catalogs, periodicals (excluding daily newspapers) and printed matter in general; production of teaching materials, electronic and magnetic recording media, cassettes, sound discs, compact discs, video cassettes, computer programs; promotion and organization of exhibition and cultural events, and sale of related materials; consulting and assignment of publishing rights to third parties; taking of participations, acquisition of companies or shares, commercial, financial, industrial, movable and immovable transactions related thereto.