The majority of radiologists will be familiar with Professor Meschan's books on clinical radiology—Roentgen Signs in Clinical Practice, The Analysis of Roentgen Signs, and the Synopsis of the Analysis of Roentgen Signs—and they will have a sensation of déjà vu on looking at this book written with D. J. Ott. Of course, this book is for students, not radiologists, but the diagrams of signs, drawings of radiographic positions and the films all seem familiar.