In this work, Lotte Eisner makes an inteligent analysis about the influences of the expressionism and german theater - specially Max Reinhardt theater - in the german cinema. It's important to know that expressionism have been confused, not rarely, with other kind of ideological and esthetical sources of influence. And about this confusion, this book brings a good help. The authorress identifies and points what comes from the expressionism and what is not, where are the traces of the expressionism, of the german theater or whatever. And besides, Lotte Eisner speaks about the work of great german directors, like F. W. Murnau, F. Lang and G. W. Pabst, making an interesting and complete review of the german masterpieces - for example Caligari, Nosferatu and Metropolis, . She also speaks a little about other films related to Germany, yet made in other countries. Since the authoress was one of the most important movie critics of Germany, and also a wickness of the new birth of german cinema after the First World War, her statements or reviews are solid and plenty of good reveals.