This significant study is certain to be the standard work on the subject for many years to come. It demonstrates once and for all that motion pictures differ radically from the traditional arts, and that good plays or novels rarely make good films. Dr. Kracauer is concerned with film as a photographic medium uniquely equipped to capture and reveal the everyday world as it exists before our eyes. "If film is an art," he writes, "it is an art with a difference. It fulfills itself in rendering 'the ripple of leaves,' . . . street crowds, involuntary gestures, and other fleeting impressions." Dr. Kracauer covers every aspect of black-and-white film. He discusses its background in still photography, the problems inherent in historical and fantasy films, the novel as a cinematic form, experimental films, documentaries, the role