BEYOND BELIEF by Emlyn Williams. 354 pages. Random House. $5.95.
This production is not a nonbook or even a sex book. It belongs to the growing category of ugh-books.
As the latest representative of the new thingthe de-Sade-but-true school of literatureit owes something to Truman Capote's In Cold Blood, except that Capote is a far better writer than Emlyn Williams, the Welsh actor and dramatist (Night Must Fall, The Corn Is Green). Williams enters the lucrative literary creep-stakes, dragging behind him two human monsters and three well-mutilated corpses. He is writing about the "Moors...