The Analyst - John Katzenbach

On his 53rd birthday, New York psychoanalyst Dr. Frederick Starks receives a mysterious, threatening letter. Now he finds himself in the middle of a horrific game designed by a madman who calls himself Rumplestiltskin.

• The rules: guess his tormentor's real identity, or Rumplestiltskin will destroy, one by one, 52 of Starks's loved ones. nHappy fifty third birthday, Doctor. Welcome to the first day of your death. Dr. Frederick Starks, a New York psychoanalyst, has just received a mysterious, threatening letter. Now he finds himself in the middle of a horrific game designed by a man who calls himself Rumplestiltskin.
• The rules: in two weeks, Starks must guess his tormentor's identity. If Starks succeeds, he goes free. If he fails, Rumplestiltskin will destroy, one by one, fifty-two of Dr. Starks' loved ones--unless the good doctor agrees to kill himself. In a blistering race against time, Starks' is at the mercy of a psychopath's devious game of vengeance. He must find a way to stop the madman--before he himself is driven mad. . . .