Bite into this delectable collection of "whodunits" from some of today's hottest mystery writers. Whet your appetite with Sara Paretsky's "Skin Deep," in which V.I. "Vic" Warshawski takes on a chi-chi salon after one of its clients turns up dead. For your next course, try Wendy Hornsby's award-winning "Nine Sons," a country schoolteacher's recollection of a gifted student whose farm life was more troubled than it seemed. And for dessert, treat yourself to Barbara Michaels's "The Runaway," which tells of 2 sisters who flee from home - and head straight into the arms of terror. Other menu choices include chilling delights from Loren D. Estleman, Joan Hess, Sharyn McCrumb, Marcia Muller, Barbara Paul, Nancy Pickard, and Bill Pronzini.