Supernaturalism is the belief that man and nature are controlled by an invisible power, or powers. No-one will deny that man's mind comprehends only the finite. That is, he understands what has definable limits, but what of the infinite? The very fact of the word tells us that there are things beyond our comprehension. Our probes into space, our efforts to enlarge our knowledge, but beyond the moon, beyond Mars, there is still a beyond that is impenetrable. So we can say, without contradiction, that Clare Bancroft may be suffering from more than just a fever...