In a Glass Darkly — Janet Caird

Reflected in the mobile mirror atop an old museum, Margaret McLean had seen murder done. But the figures were too small to recognize, and she couldn't even identify the site.

Only two people in the town really listened to Margaret's alarm - the man she loved, and the unknown murderer, who had to silence her before she stumbled on the truth....

In an abandoned quarry outside a sleepy town, a desperate man stalked a frightened girl, both knowing that only one of them would come out alive - but would it be the huner, or the hunted?