John Rosen's treatment of schizophrenics was one of the most talked about developments of postwar psychiatry. The present volume is an attempt to make clearer his theory and method. 'As we understand it', he writes, 'we are attempting to do with the psychotic what Freud evidently did in treating the neurotic: that is, to make patent to him the latent meaning of his manifestations. The individual himself, of course, is the creator of these manifestations, and unconsciously he knows their latent meaning as well or better than we do. Accordingly, making conscious to him what is unconscious in him is our task in treatment.' Rosen's technique is thus predicated on some of Freud's very early concepts, particularly his topographical model and his theory of drives. One looks in vain