The Devil's Day Author:James Blish A bored weapons entrepreneur enlists the greatest black magician of all time to perform a magical feat of stupendous proportions, and only one man -- a simple Italian monk--feels the imminent danger. But the holy man must stand and watch helplessly as the magician unleashes the most powerful demons of Hell onto an unsuspecting world.
Lucifuge, Rofocale, Baal, Barbatos, Astaroth....their name is legion. Long have they lain chained in darkness. Now one blackest sorcerer has loosed them. Soon they will once more rule the night. And the day, as well.