John Carpenter's Tales of Science-Fiction: Hell (John Carpenter's Tales of Science-Fiction: Hell #8)

All Hell breaks loose, in the thunderous conclusion of the saga of the Underneath! The survivors of the CalEx strike team have one hole card left to play... Meanwhile, the demons of the underworld have a workable invasion plan to dominate the surface of the Earth once more... and only our team, with the uniquely alien Kartkas, can stop them...