In six previous books, Kathy Hogan Trocheck's Callahan Garrity series has risen to the apex of Southern suspense. Now the acclaimed sleuth's latest outing shows how amply she and her creator deserve their acclaim, as Callahan and the outrageous band of "girls" in her Atlanta cleaning crew set out during the Christmas rush to prove her no-account brother innocent of his ex-wife's murder. It's a few days before Christmas and Callahan thinks for...