Dr. Karen Ralls, Medieval religious historian and media consultant, was Postdoctoral Fellow at the University of Edinburgh and former deputy Curator of the Rosslyn Chapel museum Brydon exhibition for six years prior to moving to Oxford in 2001. She lectures internationally, conducts specialist research and has appeared regularly on the History and Discovery Channels (USA/UK/Europe) on a variety of history subjects, including those relating to The Da Vinci Code novel. Her books include the forthcoming Mary Magdalene: A Medieval Quest (Quest Books, 2007); The Templars and the Grail (Quest Books, 2003);Quest for the Celtic Key (Luath Press, 2002); and Music and the Celtic Otherworld(Palgrave/Macmillian US and Edinburgh Univ Press, UK, 2000). Originally from the USA, Karen tours the USA in October 2006 and May/June 2007, and the UK in July 2006. For more information on her books and on spirit-based tours to Italy, Malta, etc, please seewww.karenralls.com.