Roughly 80% of the world's population now lives in urban areas. Cities offer anonymity to violent criminals as well as to those who value privacy. New digital technologies allow purveyors of hatred and assorted smut to enter our homes and pedophiles use the Internet to bait our children and victimize them. This book is designed to provide you with a tested methodology for being secure in the concrete jungle without slipping into paranoia or denial. You don't have to be a just another crime statistic!