Night Screams by Bill Pronzini and Barry N. Malzberg

What now? What did the forces want her to do next? Leave the house, try to get away in the darkness? No. The murderer was out there, watching, waiting; he would see her if she tried to leave, and she couldn't outrun a man through the snow. Hide? No. There wasn't anywhere to hide that she wouldn't be found. 1981 paperback edition A year or so ago, I guess, I spent four dollars on a 1979 Playboy…