1. Introduction. p.1.-- 2. The physical metallurgy of nickel and its alloys. p.33.-- 3. Single- crystal superalloys for blade applications. p.121.-- 4. Superalloys for turbine disc applications. p.217.-- 5. Enviromental degradation: the role of coatings. p.283.-- 6. Summary and future trends. p.351