MacAvity's Burning. Dan H. McLachlan

When MacAvity's Pub is fire bombed, a hunt for the perpetrators sets off a series of bloody encounters in the Gospel Hump Wilderness of Central Idaho and the steppes of Central Washington. It is feared that a war has broken out among two militias with ties to Finland and the Saulite Lutheran Church. Paul and Smoke are unwittingly thrown into the center of the conflict–a conflict which law enforcement is unable to keep from spreading.