William Andrew Publishing (Norwich, N.Y.) has announced the publication of the Handbook of Material Weathering, 4th Edition by George Wypych, president of ChemTec Laboratories. The book provides comprehensive and current information on material weathering for more than 40 families of polymers and discusses the formulating mechanisms of degradation, the effect of thermal processes, and characteristic changes in properties, and provides tables of available numerical data. Wypych specializes in material durability, polymer additives and the development of sealants and coatings.