Cell Surfaces and Malignancy, edited by P. T. Mora. Fogarty International Center Proceedings No. 24. xv + 293 pages, illustrated. DHEW Publication No. (NIH) 75–796; for sale by the Superintendent of Documents, U. S. Government Printing Office, Washington, D. C. 20402. 1975. $5.60.

Drug-inactivating Enzymes and Antibiotic Resistance, edited by S. Mitsuhashi, L. Rosival, and V. Krcmery. Proceedings of the 2nd International Symposium on Antibiotic Resistance, Czechoslovakia, 1974. xii + 493 pages, illustrated. Springer-Verlag New York Inc., 175 Fifth Avenue, New York, N. Y. 10010. 1975. $42.20.

Dynamic Aspects of Host-Parasite Relationships, Volume II, edited by A. Zuckerman. x + 225 pages, illustrated. Halsted Press (a division of John Wiley & Sons), 605 Third Avenue, New York, N. Y. 10016. 1976. $27.50.

Genetic Aspects of Host-Parasite Relationships, edited by A. E. R. Taylor and R. Muller. Symposia of the British Society for Parasitology, Volume 14. vii + 110 pages, illustrated. J. B. Lippincott Co., Philadelphia, PA 19105. 1976. $11.00.