THE POSSESSION OF JOEL DELANEY by Ramona Stewart. 246 pages. Little, Brown. $5.95.
This is a second-generation offspring of Rosemary's Baby, almost certain to make a bundle. Though the author is shown on the jacket sparring with a really splendid-looking stripey cat, her literary device is not witchcraft but the possession of a vapid, drugged human body by an espĂritus perturbados, in this case the troubled spirit of a murdered Puerto Rican boy armed with a switchblade.
Everything else is in place, however. The upper-middle-class setting; the Upper East Side New York matron with a standard liberal distrust of superstition and black magic,...