Casati & Varzi 3. We published together the following items (here are only those relevant to the workshop): BOOK 1994a Holes and Other Superficialities, Cambridge, MA, and London: The MIT Press(Bradford Books), x+253 pp. ARTICLES 1995, 'Basic Issues in Spatial Representation',in Michel De Glas and Zdzislaw Pawlak (eds.), Proceedings of the 2nd World Conference on Artificial Intelligence, Paris: Angkor. 1996, 'The Structure of Spatial Localization', Philosophical Studies. EDITORIAL 1996, Events, Aldershot: Dartmouth Publishing, International Research Library of Philosophy. and we are together working to a book provisionally entitled "Res Extensa: The Metaphysics of Spatial Entities".