ROSEMARY'S BABY by Ira Levin. 245 pages. Random House. $4.95.
What's new on the best seller list these days? For one thing, there is an old-fashioned witches' tale in a modern cauldron. At the start of Rosemary's Baby, Author Ira Levin (who wrote the stage version of No Time for Sergeants and the mystery novel A Kiss Before Dying), sets the tone with the question "Is Satan dead?" He then proceeds to create suspense by operating on the theory that a little Catholic guilt can go a long way.
With the meticulousness of a ghoul in a catacomb, he establishes his heroine Rosemary...