The first book by megalith enthusiasts for megalith enthusiasts, drawing on the varied insights of contributors to The Megalithic Portal website, from archaeologists to ordinary site visitors. No other book covers such a wide range of prehistoric sites in Britain and Ireland or so many different and entertaining theories about them.

A wonderful guide to the many megaliths of Britain's Neolithic and Bronze Age. Mike Parker Pearson, Professor of British Later Prehistory at UCL This is the most comprehensive and thought-provoking field guide ever published to the iconic standing stones and prehistoric places of Britain and Ireland. The ultimate insiders' guide, it gives unparalleled insight into where to find prehistoric sites and how to understand them, by drawing on the knowledge, expertise and passion of the archaeologists, theorists, photographers and stones aficionados who contribute to the world's biggest megalithic website – the Megalithic Portal. Including over 30 maps and site plans and hundreds of colour photographs, it also contains scores of articles by a wide range of contributors, from archaeologists and archaeoastronomers to dowsers and geomancers, that will change the way you see these amazing survivals from our distant past. Locate over 1,000 of Britain and Ireland's most atmospheric prehistoric places, from recently discovered moorland circles to standing stones hidden in housing estates. Discover which sites could align with celestial bodies or horizon landmarks. Explore acoustic, colour and shadow theory to get inside the minds of the Neolithic and Bronze Age people who created these extraordinary places. Find out which sites have the most spectacular views, which are the best for getting away from it all and which have been immortalized in music. And don't forget to visit the Megalithic Portal website and get involved by posting your discoveries online.