Book excerpt: Bluetooth is a short range wireless radio technology standard that packs the potential to meet the demands of the present and of the future. Bluetooth is the most secure among all wireless technologies. This up-to-date, well-organized book provides a comprehensive coverage of Bluetooth and shows how various Bluetooth-enabled applications can be developed in Java and J2ME. The text provides a detailed description and a skilful analysis of the techniques involved in developing Bluetooth-enabled applications with a host of illustrative codes. This book, which treats a topic of current interest, will be extremely useful to students of computer science as well as to professionals in the field.