"Tensions flare between north and south, and hatreds erupt into war. Creatures long kept confined rise from below, spreading destruction on an unimaginable scale. While Malcolm Blakley seeks to end the war before all of Tenumbra is consumed, his son Ian searches for the huntress Gwendolyn Adair, and finds himself shadowed by the totem of his family, the Iron Hound."--From back cover.