In the last few years, the library community has been following the work of World’s Trade Organization (WTO) and its General Agreement on Trade in Services (GATS) with the great interest and concern. The paper presents questions related to GATS that are of special interest to the librarians and that they should pay good attention to in the future: definiton of services excluded from GATS, range and classification of services, and unadequate trancparancy of WTO negotiation processes concerning the GATS.