Book excerpt: This atlas, the first edition of which won the 1989 Glaxo Prize for Medical Writing, has now been brought up to date to cover new techniques in the field. Every major body system is featured, along with coverage of SPECT for bone imaging; new ventilation images for lung imaging; cerebral perfusion imaging for the brain; the use of Tc MAG3 in the renal system; tomographic imaging of the heart; and the use of monoclonal antibodies in the diagnosis and treatment of tumours.