* Provides case studies in each chapter illustrating how principles work in practice.
* Compares strengths and weaknesses of off-the-shelf software packages.

ZHONG-REN PENG, PhD, is the Director of the Center for Advanced Spatial Information Research (CASIR) and an associate professor of Urban Planning at the University of Wisconsin--Milwaukee.

MING-HSIANG TSOU, PhD, is an assistant professor in the Department of Geography at San Diego State University.