Ten top novels about deranged killers

Chet Williamson has written horror, science fiction, and suspense since 1981. Among his novels are Second Chance, Hunters, Defenders of the Faith, Ash Wednesday, Reign, Dreamthorp, and the recently released Psycho Sanitarium, an authorized sequel to Robert Bloch's classic Psycho.

One of Williamson's top ten novels about deranged killers, as shared at the Guardian:
Blood Meridian by Cormac