Cat In A Jeweled Jumpsuit ($24.95; Nov. 8; 384 pp.; 0-312-86817-0) Has Elvis returned to the building? Maybe so, if it’s Las Vegas’s Crystal Phoenix Hotel, whose remodeling, according to the workmen, is being interrupted by the King’s ghost. Midnight Louie, the feline investigator with more lives than Elvis (Cat in an Indigo Mood, p. 180, etc.), and his favorite human, p.r. flack Temple Barr, work to lay the ghost before he can claim more victims who aren’t screaming with delight. (Author tour)