The architectonic possibilities of the pitched roof seem almost unlimited and are all the more interesting for today's architects, in that the subject has been neglected for such a long time. By thematic plates this publication shows the whole spectrum of possibilities that are opened up by pitched roofs. Their potential for the design of the outer facade and its relation to context and interior is shown in a systematic fashion. Individual aspects are explored in depth in articles by specialists. unique study of an important architectural element showing the wide range of possibilities elaborating its potentials in-depth articles by renowned authors