The 35 formal papers and related discussions of a Ciba-sponsored international symposium on hypertension in mid 1965 are assembled into a valuable book. In collections of this sort investigators summarize recent studies of specific problems so that maintenance of perspective is often a problem. The 56 participants here have made so many important contributions over the past two decades that present interests must be respected. Nonetheless, stimulating discussions improve the focus repeatedly.
A clear orientation toward treatment seems appropriate in view of empirical advances in the past several years, but expectations of management regimens by acclamation will be unfulfilled. Actually only two of six sections are devoted primarily to therapy, short and long term. The other sections consider relevant aspects of the experimental basis of drug action, relationship of hypertension to vascular disease, principles of treatment including methodology of recording and spontaneous variations, and diagnosis of renovascular and other renal