Darkness Consumes - The Sentinel Saga, #8

Ships are docking at major ports around the country. The borders are open. Foreign troops are pouring in everywhere. The homeland invasion has begun, and the outlook isn't good. America has been sold to the highest bidder, and they've come to collect. To make things so much worse, the Sentinel goes missing. Even Angeline and Stephen can't find him. Is he dead? Will America survive the relentless onslaught?