Sacred Stone (Oregon Files 2)

Two embattled groups seek a 50,000-year-old meteorite first discovered and then hidden by Eric the Red and his Vikings. Known as the Sacred Stone, it has powerful radioative properties. Muslim extremists have stolen a nuclear device and need the stone to give them the power to vaporize any city in the west. A megalomaniacal industrialist leads a group seeking to carry out the utter annihilation of Islam itself. And caught between the two militant factions is Juan Cabrillo and his crew, who must do whatever they can to stop the impending doom...