Amazon.com description: Product Description: The mysterious Scottish Rosslyn Chapel has fueled controversy and debate for centuries. Revered by Freemasons as a vital part of their history, believed by some to hold evidence of pre-Columbian voyages to America, it is assumed by others to hold important relics, from the Holy Grail to the Head of Christ. This book is a virtual guide to all the enigmatic and important aspects of the chapel:

* the history of the chapel and its relationship to freemasonry

* history of the family which owns the castle, the Sinclairs

* the enigmatic landscape surrounding the chapel, including Templar commanderies; prehistoric markings; an ancient kingly site to the south; and King Arthur's Seat directly north

* the unveiling of the true significance and meaning of the Chapel: that it was a medieval stone book of esoteric knowledge, 'written' by the Sinclair family, chosen patrons of Freemasonry