Brimicombe (geo-information studies, U. of East London) offers a second edition of his reference on geo-information systems (GIS), environmental modeling and engineering. The book describes GIS, how data is structured, functionality, and modeling. New and revised information in the second edition includes: data capture and compilation, multi-agent modeling, evaluation model to illustrate issues of verification and validity, case studies that focus on online tools and applications, the role of agents in interoperability, and updated references on the current research agenda. The author both introduces readers to the subject, but also points out issues that come up when GIS and environmental models are used in conjunction with each other. Annotation ©2010 Book News, Inc., Portland, OR (booknews.com)