The issue of settlement and groundwater control in developing and expanding underground metro systems is featured in the latest issue (vol.149 no. 1) of ICE/BGA Geotechnical Engineering. An international list of authors headed by University of Surrey tunnelling expert Dr Emma Hellawell has reviewed metros under construction in Los Angeles, Toronto, Copenhagen and Bangkok. For copies, e-mail library@ice. org. uk. For further information, contact Simon Fullalove on tel (020) 7665 2448.