books.google.co.uk - This handbook is a comprehensive guide to almost 700 of the best-preserved, most interesting and accessible prehistoric monuments considered worth visiting in England. It spans some 350,000 years and the sites range from caves occupied in the palaeolithic period to the oppida built immediately before...http://books.google.co.uk/books/about/Discovering_Prehistoric_England.html?id=fDTecByGtiYC&utm_source=gb-gplus-shareDiscovering Prehistoric England