The next book of H. A. Covington's Northwest novel trilogy, A Mighty Fortress picks up where A Distant Thunder left off, and serves as a bridge to the final novel in the series, The Hill of the Ravens. In a not too distant future, the United States is on the verge of breakup and collapse. America is hopelessly bogged down in an overseas war against the Islamic world in a dozen countries that seems to have no end, while at the same time the nation...