SPEAK OF THE DEVIL ? When Karen Peterson first meets Mr. Fernandez on the cruise ship, he is so charming.? Still, when he offers her a job as hostess at his new island hotel, she accepts with a great deal of reluctance.? After all, charm can hide a multitude of flaws.? And when she meets her predecessor, the very young and headstrong Cecily, Miss Peterson is sure that she seems more than a mere employee.? Even the guests have their secrets?Mrs. Fish tells her that she is looking for her husband?s murderer at the hotel. ? But that first night Cecily surprises them all by announcing that she has just killed a man who had attacked her in Mr. Fernandez?s room.? Later, one of the clerks tells Miss Peterson that he had seen the devil that night, stalking the hotel halls.? Then Mrs. Fish shows Karen a photo of her dead husband?who looks like the devil himself!? But nothing prepares Miss Peterson for murder, and that, of course, is just what comes next. ? THE OBSTINATE MURDERER ? Emilia Swan calls Van Cleef at his club and begs him to come to her aid.? Someone is blackmailing her.? Though he?d rather have an