What is the archaeological evidence for a Europe-wide shamanic culture based around stone circles and megalithic tombs. Shamans traditionally used ancestral landscapes for their journeys and Trwoga focuses on long barrows, causewayed enclosures and passage graves. He even uses neuropsychological research on altered states of consciousness to show how prehistoric rock carvings may have helped to induce trance states. The author demonstrates that stone circles, alignments and cursus monuments are not astronomical observatories, but stage sets for the enactment of cosmic dramas, just as a Roman Catholic church or a Hindu temple is today. * With details on five British shamanic sites, including Avebury and Kilmartin Glen * With copious photographs, maps, illustrations and line drawings A legitimate work of academic research and a laypersons introduction to this fascinating and important subject.