It discusses the current state-of-the-art biometric verification / authentication, identification and system design principles. It also provides a discussion of step-by-step how biometrics works; how the biometric data in humans can be collected and analyzed in several ways, how biometrics is currently being used as a method of personal identification in which people are recognized by their own corporal or behavioral characteristics unique and how to make a detailed menu for designing a biometric verification system. Biometric security solutions offer some unique advantages for identifying and verifying / authentication humans for more traditional security methods. * Contains elements such as Sidebars, tips, notes and URL links * Weight illustrated with more than 150 illustrations, screen captures, and photos * Details of various biometric technologies and how they work as well as providing a discussion about the economy, privacy issues and challenges of implementing biometric security solutions