Thirty and a half excuses

Life in Henryetta, Arkansas is turned upside down with "the arrival of a televangelist, but it's the death of a little old lady on Rose's street that catches her attention. The local police deem her death to be of natural causes, but Rose suspects foul play and so does an unlikely supporter - the president of the Busy Body Club, her eighty-two year old neighbor Mildred"--Book jacket.