A chilling classic thriller from the 1930s in which a young woman is stalked about an isolated country house by a murderer.

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'[An] astonishing and diabolical shock... Required reading' New York Herald Tribune

'Adept at laying one icy finger on the back of your neck' Spectator

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Everyone is talking about it: a serial killer on the loose. Women are being slain across the countryside surrounding the isolated Warren mansion where Helen has taken up a domestic position. And each murder is closer to the house than the last...

When the body of a local girl is discovered in the nearby village. Professor Warren orders the mansion be locked up overnight for the residents' safety. No one is to come or go until morning. But as a storm rages outside and tensions mount within the home, Helen begins to wonder whether the murder isn't already inside, stalking his next victim...