The Devil's Day: Black Easter and The Day After Judgment by James Blish [BOOK CLUB OMNIBUS] 1990 / BAEN

The Devil's Day [Black Easter and The Day After Judgment] by James Blish

BOOK CLUB OMNIBUS [1990] BAEN PUBLISHING

First Edition thus.  Hardcover with dust jacket in excellent condition.   Like new with some minor edge wear to dust jacket. 

Book club omnibus collecting the classic satanic novels, Black Easter and The Day After Judgment in one edition. 

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.