Hospital Department Profiles, 3rd Edn. By A. J. Goldberg and R. A. Buttaro. 1990, US$45.95, pp. 265. American Hospital Publishing, ISBN 1 55648 0431.Blood-Compatible Materials and Devices (Perspectives Towards the 21st Century)Edited By C. P. Sharma and W. Szycher. 1991, US$85.00, pp. 303. Technomic, Lancaster, USA, ISBN 87762 733 9.Risk Management Handbook for Health Care FacilitiesEdited by L. M. Harpster and M. S. Veach. 1992, US$659.95, pp. 460. American Hospital Publishing, ISBN 1 55648 054 7.Principles of Medical ImagingBy K. K. Shung, M. B. Smith and B. Tsui. 1992, US$74.95. Academic, ISBN 0 12 640970 6.Medical Instrumentation: Application and Design, 2nd EdnEdited by John G. Webster. 1992,£39.50, pp. 814. Houghton Mifflin, Boston, MA, ISBN 0 395 59492 8.Electrical Trauma-The Patho- physiology Manifestations and Clinical ManagementBy R. C. Lee, E. G. Cravalho and J. F. Burke. 1992,£65.00, Cambridge University Press, ISBN 0 521 38345 5.Laser Non-Surgical Medicine: New Challenges for an Old ApplicationEdited by L. Goldman. 1993, SFr 187, pp. 334. Technomic, Basel, Switzerland. ISBN 87762 792 4.