Edgar Award winner Andrew Klavan's thrilling novel Don't Say a Word follows psychiatrist Nathan Conrad as he confronts urban paranoia and murderous insanity when his family is watched, followed, and later brutalized by a twisted criminal and a mad giant who thrives on the suffering of others.

They're watching.They've wiretapped the apartment.They've got their daughter.They told them they'd hurt her if they spoke about it.They told them, Don't say a word ...Or else ...