Book reviewed in this article:World Health Organization Technical Report SeriesWHO: Biochemistry of Mental Disorders:FAO/WHO: Specifications for the Identity and Purity of Food Additives: Some Antibiotics.FAO/WHO‐OIE: Animal Health Yearbook 1968.FAO: The World Dairy Economy in FiguresHandbuch der experimentellen PharmakologieDeutsches Arzneibuch (DAB 7).Lutz, H.: Plasmaersatzmittel.Radko Pavlák: Die Bangsche Krankheit und das periphere Nervensystem.Olitzki, A.: Immunological Methods in Brucellosis Research.Advances in Microcirculation.Taschenbuch der tierärztlichen PraxisShort, D. J., and Dorothy, P. Woonott: The I. A. T. Manual of Laboratory animal Practice and Techniq