Grenzschicht–Theorie. By HERMANN SCHLICHTING. 5th edition, in German. Verlag G. Braun, 1965. 736 pp. DM 96. Second-Order Effects in Elasticity, Plasticity and Fluid Dynamics. Edited by M. REINER and D. ABIR. Pergamon Press, 1964. 795 pp. £10. An Introduction to Plasma Physics. By W. B. THOMPSON. 2nd edition. Pergamon Press, 1964. 247 pp. 70s. Modern Developments in Fluid Dynamics, vols. I and II. Edited by S. GOLDSTEIN. Dover Publications, 1965. 702 pp. $5.00. Fluid Dynamics Transactions. Edited by W. FISZDON. Pergamon Press, 1964. 397 pp. Proceedings of the 1965 Heat Transfer and Fluid Mechanics Institute. Edited by A. F. CHARWAT. Stanford University Press, 1965. 372 pp. $10.00. Heterogeneous Combustion. Edited by H. G. WOLFHARD, I. GLASSMAN and L. GREEN. Academic Press, 1964. 765 pp. 88s. Liquids: Structure, Properties, Solid Interactions. Edited by T. J. HUGHEL. Elsevier, 1965. 384 pp. 110s.