xii, 430pp. Purple cloth-covered boards, gilt titles on spine. Previous owner's label on front paste down, gift inscription on front free endpaper. Internally neat, clean, bright and tight. Dust jacket has some shelf wear, light chipping to edges, price unclipped. 8vo. The author recalls dealing with an unusually wide spectrum of science and technology as he explains in clear non-scientific language how technical issues often strongly influence political and public policy-making.