Book Review Basic Immunogenetics Third edition. By H. Hugh Fudenberg, J.R.L. Pink, An-Chuan Wang, and G.B. Ferrara. 302 pp. New York, Oxford University Press, 1984. $29.95 (hardcover); $16.95 (paperback). Introduction to Molecular Immunology Second edition. By Alfred Nisonoff. 236 pp., illustrated. Sunderland, Mass., Sinauer, 1984. $14.95.