This is a programed text. It embodies a set of teaching concepts which include bits of information in the form of frames, repetition, active student participation, and reinforcement by providing immediate answers. As a programed text, this appears to be well designed, the format is pleasing, an appropriate amount of information appears on each page, and the chest roentgenograms are well selected. Much of the material is based upon certain roentgenographic appearance, that is, it is a "finding"oriented and not a disease-oriented text.
There are chapters on lobar and segmental anatomy, the silhouette sign, the air bronchogram sign, lobar and segmental collapse, the pleura, the extrapleural space, and the causes of rib notching. The authors have selected certain roentgenologic apperances for discussion which they presumably consider important. They have left out other findings which others might consider of equal or greater importance. It is therefore not a complete or comprehensive