SACRED STONE is the second of the Oregon Files novels. The Oregon, to the uninitiated, is a state-of-the-art warship disguised as a down-at-the heels tramp steamer that is manned by a first-rate assortment of former military and special forces operatives, who collectively are known as The Corporation, or "mercenaries with a conscience." The chairman of the Corporation, and nominally the focal point of the series, is Juan Cabrillo, a go-to, can-do, hands-on guy who