If you open your house to strangers, who knows who might come in. And what they might be after. Or whom. Now, ponder the unthinkable and surrender to your darkest dread, as sinister storyteller extraordinaire John Saul weaves a heart-stopping tale of lurking terror and twisted intent.Every parents nightmare becomes reality for Kara Marshall when her daughter, Lindsay, vanishes from her bedroom during the night. The police suspect that the girl is just another moody teenage runaway, angry over leaving behind her school and friends because her family is moving. But Lindsays recent eerie claimthat someone invaded her room when the house was opened to prospective buyersdrives Kara to fear the worst a nameless, faceless stalker has walked the halls of her home in search of more than a place to live.