From Stonehenge to Callanish, from Newgrange to Er-Lannic, great prehistoric stone circles have drawn thousands of admiring visitors to their sites every year. This practical guidebook deals comprehensively with the stone circles of Britain and Ireland and with the cromlechs and megalithic horseshoes of Brittany.
The "Guide" may be intended to assist in land navigation since brief descriptions of the Walk are provided. By making physical comparisons possible, Burl does little speculating about why or even how the structures were built. But he includes numerous references to other archeologists, and he does discuss theories of influence. The Breton influence on Stonehenge , for example.