of the imaging technique; indications and clinical value of the method for specific indications; examinationtechnique in normal findings as the basis of evaluation: for example, passage through the esophagus and stomach are shown step by step using more than 30 illustrations. All original photographs are explained with correlated line drawings, aiding the unexperienced examiner to interpret images with confidence. Written by authors who were pioneers in the method, and who have established an international reputation.