FIRST CAME THE BLOOD-CHILLING MOANING ON THE PHONE …

The girl listened as if hypnotized to the low wailing sound, like that of a wounded animal, and felt her flesh creep at the insane sexuality she heard in it.

Then came the strange voices, weird and revolting.

First: “Don’t do that to me. Not that. Do you hear me, I can’t stand it.”

Next: “Nasty Billy. Don’t ever do that again. That will teach you. What you did was bad. You’re bad … bad … nasty Billy.”

And finally, another voice, low, sickening: “I’m going to kill you …”

Nasty Billy. Who was he? Nasty Billy. Where was he? Nasty Billy. When and how would he strike again? Nasty, nasty, nasty Billy …