Annual Review of Fluid Mechanics, Vol. 20. Edited by J. L. L UMLEY , M. D. V AN D YKE and H. L. R EED . Annual Reviews Iiic., 1988. 551 pp. $34.00 ($38.00 outside USA). Transport of Suspended Solids in Open Channels. Edited by W. B ECHTELER . Blakema, 1986. 268 pp. £35. Environmental Hydraulics: Stratified Flows. By F. B Ø . P EDERSEN Springer, 1986. 279 pp. DM 58. Tables of Progressive Gravity Waves. By J. M. W ILLIAMS . Longman, 1985.640 pp. £50. The Visual Display of Quantitative Information. By E DWARD R. T UFTE . Graphics Press, 1983. 197 pp. £20 or $34. Numerical Fluid Dynamics. Edited by R. V ICHNEVETSKY . North-Holland, 1987. 213 pp. Dfl.200. Polymers in Colloid Systems. Edited by T H . F. T ADROS . Elsevier, 1988. 412 pp. US $155.25 or Dfl.295.00. Annual Review of Numerical Mechanics and Heat Transfer, vol. 1. Edited by T. C. C HAWLA . Hemisphere, 1987. 454 pp. DM158. Frontiers of Fluid Mechanics. Edited by S HEN Y UAN . Pergamon Press and Peking University Press, 1988. 1265 pp. £l40 or $250.