Book reviewed in this article:Temporal Aspects of Therapeutics. J. Urquhart and F. E. YatesDrug Interactions. P. L. Morselli, S. N. Cohen, and S. GarattiniControversies in Clinical Pharmacology and Drug Development. Roger F. PalmerA Handbook on the 1970 Federal Drug Act. Shifting The Perspective. R. L. Bogomolny, M. R. Sonnenreich, and A. J. Roccograndi.Pharmacology and Pharmacokinetics. T. Teorell, R. L. Dedrick, and P. G. CondliffeCurrent Medical Diagnosis and Treatment. J. A. Krupp and M. J. Chatton.Handbook of Medical Treatment, 14th edition. Milton J. Chatton.