Book review - Chemistry in Non-aqueous Ionizing Solvents, Vol. III, G. Jander, H. Spandau, C.C. Addison (Eds.). Pergamon Press, Oxford (1967), and Friedr. Vieweg and Sohn, Braunschweig, 1967, xiv+206 pages, ß7, and Friedr. Vieweg and Sohn, Braunschweig, 1967, xiv+206 pages, ß7