With fun projects, tips, instructions, illustrations, and programs, this comprehensive companion to the powerful Mindstorms NXT robot kit will help LEGO popularize robotics in the way that the iPod did for digital music. This second edition to programming on the NXT helps users make the most of the latest LEGO Mindstorms NXT release for further robot enhancements. Included is an ingenious set of projects that explore the complete arsenal of basic and advanced NXT functionality. At the heart of these projects is Versa, a versatile mobile robot platform that utilizes modular attachments.