Editorial - the Pisa Tower: an Italian special case-history: the stabilisation of the leaning tower of Pisa - soil Characterisation and modelling: geotechnical investigation for the stability analysis of Pavia's medieval towers, capabilities of seismic tests in soil characterisation, shallow footing under cyclic loading: experimental behaviour and constitutive modelling, enalysis of soil-foundation interaction of tower structures under cyclic loading - geotechnical analysis of the seismic vulnerability of historical sites in Umbria and Marche Regions: site dependent spectra at the town of Sellano by the 1997-1998 Umbria-Marche seismic sequence records, evaluation of site coefficients for aseismic building design: seismological and geotechnical investigations in two historical centres of the Marche region, Italy, FEM geotechnical analysis of the seismic damage to the church of San Filippo in Nocera Umbra during the September 26, 1997 seismic sequence - geotechnical analysis of the seismic vulnerability of monuments and historical sites of Noto: the earthquake on January 11TH, 1693 in South-Eastern Sieily: macroseismic analysis and strong motion modelling in Noto, influence of geological-structural discontinuities on the seismic response of some sites affected by the earthquake of 12/13/1990, in South-Eastern Sieily, site characterization by in-situ and laboratory tests for the microzonation of Noto, Grade-3 seismic microzonation at Noto by synthetic input accelerograms, Design spectrum by synthetic accelerograms for Noto Cathedral(Siracusa, Italy), Retrofitting of the foundation of Noto Cathedral (Italy) according to Eurocodes.