Press Enter (Unabridged‪)‬

This Hugo and Nebula Award-winning novella is part murder mystery, part romance, and more than a little bit scary.
Victor Apfel, a troubled war vet, gets an odd, pre-recorded phone message, instructing him to go inside the house next door. He opens the door to find his neighbor shot through the head. But is it suicide - or murder? And is it possible that a computer is to blame?