It is Tuesday, April 10, 1979. A nice young married couple, Keith and Jennifer Olson, arrive home at their house in New Castle, New York, to discover that in the few days they have been on vacation, something unexpected and startling has happened. A house has mysteriously appeared on the vacant lot across from theirs - a house that soon begins to exert a powerful, frighten- ing, demonic influence on their lives.. 666 takes the reader into the world of evil that Jay Anson so brilliantly explored in The Amityville Horror - an evil that lies un- suspected behind the door of an ordinary- looking house, a house that reappears from time to time near any city, waiting invit- ingly, innocently, for someone to rent it, a house in which a dreadful, bloody, orgiastic crime recurs again and again, bringing its victims screaming to the very brink of hell- and into the hands of the Devil him- self.

As Keith becomes more and more ob- sessed by the house, with its intricately...(continued on back flap)