books.google.co.jp - The phrase 'stone age' has come to mean different things to different people. To some it implies denigration, and a lack of culture, but archaeologists increasingly regard it as a period of achievement. The climax of the stone age in Britain, the neolithic period (4700-2000 BC), was a period of startlingly...http://books.google.co.jp/books/about/Neolithic_Britain.html?id=-wYOAAAAQAAJ&utm_source=gb-gplus-shareNeolithic Britain