Any visitors intending to spend more than a day or so on Dartmoor should consider investing in the following publications:
Petit, P. (1974/1995) Prehistoric Dartmoor. Forest Publishing, Newton Abbott. ISBN 0951527460
and
Crossing, W. (1912/1990) Crossing’s Guide to Dartmoor (2e). Peninsula Press, Kingskerswell ISBN 1872640168