The Handbook of Discrete and Computational Geometry is intended as a reference book fully accessible to nonspecialists as well as specialists, covering all major aspects of both fields. The book offers the most important results and methods in discrete and computational geometry to those who use them in their work, both in the academic world?as researchers in mathematics and computer science?and in the professional world?as practitioners in ?elds as diverse as operations research, molecular biology, and robotics.