BOOK REVIEWS

Book review in this Article Settling Things: Six Case Studies in Environmental Mediation, Allan R. Talbot. Earl Finbar Murphy Climate and Development Asit K. Biswas Hydrology in Practice Elizabeth M. Shaw Scale-up of Water and Wastewater Treatment Processes, Nor-bert W. Schmidtke Daniel W. Smith Environmental Effects of Organic and Inorganic Contaminants in Sewage Sludge R. D. Davis Soil Erosion: Crisis in America's Croplands? Sandra S. Batie, Roger McHenry An Introduction to Water Quality Modeling A. James JyS. Wu Trihalomethane Reduction in Drinking Water Gordon Culp Analysis of Pesticides in Water A. S. Y. Chau Chemistry for Protection of the Environment Horst F. Siewert Water Resources, Geography, and Law, Olen Paul Matthews. Unit Operations and Processes in Environmental Engineering Tom D. Reynolds. Greenhouse Effect and Sea Level Rise M. C. Barth J. G. Titus Methods of Characterization of Sewage Sludge T. J. Casey, P. L'Hermite, P. J. Newman Drainage of Asphalt Pavement Structures Joseph T. Barrow Groundwater Contamination Commi/afttee Douglas S. Cherkauer Water Crisis: Ending the Policy Drought Terry L. Anderson. Chemistry of Irrigated Soils Rachel Levy Arthur W. Hounslow Engineering Fluid Mechanics (3rd Edition) J. A. Roberson Environment Canada and the North: The Perceptions, Roles, and Policies of the Department of the Environment Regarding Development North of 60° Epichlorohydrin Environmental Health Criteria 33 Natural Levels of Lead in Humans C. C. Patterson. Saving Endangered Species: A Report and Plan for Action Allen E. Smith. Scotland's Environment During the Last 30,000 Years Robert J. Price. Seasonal Restrictions on Dredging Projects by NMFS in the Northeast Statistical Methods for Engineers Richard H. McCuen. Summary Report: Study to Determine the Impact of Landward Bulkheads or Alternative Structures on Marshes Janie H. Harris. Survival and Growth of Warmwater Fishes Exposed to Ammonia Under Low Flow Conditions J. P. Swigert Sustaining Tomorrow: A Strategy for World Conservation and Development F. R. Thibodeau H. H. Field The Visual Display of Quantitative Information Edward R. Tufte. Water Supply R. Urbistondo Wetland Ecology John R. Etherington.