The Mitbestimmungsrecht gives labor equal representation with stockholders on boards of directors and puts a labor man in one of three key management positions in German steel firms. This sounds like a radical change in industrial organization. On the basis of a study of ten companies, Mr. Blumenthal shows how modest the effects of this system have actually been. There is perhaps some tendency to see the experience primarily through the eyes of those responsible for making it work--excerpts from interviews provide much color and interest--but a good bit of objective evidence is presented as well. The last word has not yet been said on co-determination but this is a good beginning and the fullest account yet published.