Let Us Prey — Dorothy Eden

When Antonia arrived in Aukland, the voice that warned her of danger over the telephone sounded heavy and menacing. It decoyed her away from the hotel -- and while she was away someone searched her room.

She eventually reached the haven of her cousin Simon's house, but even there she heard noises in the night, and saw a light where no light should have been. Were they just the hallucinations of a mind taut with panic? Surely she wasn't imagining the "accidents" that pursued her!

But is she were truly paranoiac why would the reserved and practical Dougal Conroy find her attractive -- was it really protection he was offering? And the the terror enlarged to gigantic proportions, and the whispering voice on the telephone was saying, "It's your turn next..."