books.google.com - Get ready to create distributed sensor systems and intelligent interactive devices using the ZigBee wireless networking protocol and Series 2 XBee radios. By the time you're halfway through this fast-paced, hands-on guide, you'll have built a series of useful projects, including a complete ZigBee wireless...http://books.google.com/books/about/Building_Wireless_Sensor_Networks.html?id=xMC69vQJLZIC&utm_source=gb-gplus-shareBuilding Wireless Sensor Networks
