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''A clammy hand pressed Laura down to her knees beside Jacko''s bed. It was the hand of terror, nothing less.''

It was a warning. Laura felt it when she looked in the mirror that morning. There had been others: the day her father left home, the day she met Sorensen - the boy with the strange silver eyes.

But nothing had prepared Laura for the horror of today. And now her little brother, Jacko, was ...