Thomas Sheridan and Neil McDonald have many years experience visiting and studying megalithic sites around Europe. Thomas is an expert in Irish Folklore and related subjects and Neil in the Western Mysteries, the Cathars and has run 'Megalithic Tours', for two decades.The Goal of this book is to provide a new look into the subject of Atlantis and the megalithic sites of Britain and Ireland and to provide fresh ideas to stimulate thought and to move the subject forward.