Stonehenge bluestone II : the story of the secret Preseli treasure /
Clark, Neil Alexander.
Johns, Einon.
Darwen : Cottage Pub.,
2011.
"First published as an eBook by Celtword 2000. Revised and extended Kindle version published by Celtworld.co.uk May 2011"--T.p. verso.
Includes bibliographical references.
Megalithic monuments