The Mailman, Paperback/Bentley Little

Once upon a time, waiting for the mail was filled with warm anticipation. But the suicide of the local mailman has left the residents of this tiny Arizona town shell-shocked. Nothing this bad has ever happened here. And now there's a new mail carrier in town, one who's delivering lethal letters stuffed with icy fear. Nothing - not even the most outstanding citizens or the most secret weaknesses - is safe from the sinister power of this malicious mailman...