Continuum Mechanics of Viscoelastic Fluids. By R. R. H UIGOL . Hindustan Publishing Corporation, Delhi, 1975. 367 pp. $27.00 Dimensionless Parameters. Theory and Methodology. By H. A. B ECKER Applied Science Publishers, London, 1976. 128 pp. £8.00. MHD-Flows and Turbulence. Proceedings of the Bat-Sheva International Seminar, Beersheva, March 17-20, 1975. Edited by H. B RANOVER . Israel Universities Press, Jerusalem, 1976, 161 pp. $22.00. Coastal Engineering, volume 1, part 1. Editor-in-chief E. W. B IJKER . Elsevier, 1977. 96 pp. Dfl. 117.00 for one volume of four parts.