The 8th International Conference on Ad-Hoc Networks and Wireless (ADHOC-NOW 2009) was held September 22-25, 2009 in Murcia, Spain. Since ADHOCNOW started as a workshop in 2002, it has become a well-established and well-known international conference dedicated to wireless and mobile c- puting. During the last few years it has been held in Toronto, Canada (2002), Montreal, Canada (2003), Vancouver, Canada (2004), Cancun, Mexico (2005), Ottawa, Canada (2006), Morelia, Mexico (2007) and Sophia Antipolis, France (2008). The conference serves as a forum for interesting discussions on ongoing...