Lee Phillips, a pistol toting cowboy-historian stumbles on five vulture-eaten bodies and a dangerous and deadly mystery in a remote canyon of Big Bend National Park, Texas. The canyon harbors two deadly secrets. In an abandoned mine U.S. and Mexican conspirators have hidden a hoard of refined mercury--enough to poison and murder hundreds of thousand of innocents.Nearby, the Ark of the Convenant rests in a camoflaged adobe vault--placed there by the 7 Guardians of this holiest of holy relics. Mariscal is a killing ground and Lee becomes a target.Lee must use all his academic training, his outdoorsman skills and his marksmanship to solve the twin mysteries before the conspirators kill him or commit heinous crimes. This "page turner" is a must read.