The cipher has existence for many centuries and has been used since the early Temple builders. More recently it has been recorded in art by such as Leonardo da Vinci and other artists to the bafflement of the acknowledged experts. Without a sound comprehension of the methodology of early civilizations graphically and over the landscape as well as on the ground and in contemporary art no progress is possible. But with this specialised understanding there is no limit to the amazing vista that looms within the mind set of such geniuses as Leonardo da Vinci and is portrayed within the pages of this remarkable book. Though Bill Kersey, the author was not around in the those very early days da Vinci and others certainly were. They were at great pains to leave a clear trail for all to see.