They say you can't get to Heaven without passing through the Eternal Rest Funeral Home. And no one gets into Eternal Rest without passing muster with Elvis--the basset hound who's convinced he's the reincarnation of the King of Rock 'n' Roll. Brewing up a big ol' pitcher of Mississippi mystery, Peggy Webb's delightful new series is as intoxicating as the Delta breeze. Normally, Callie Valentine Jones spends her days fixing up the hairdos of the dead,...