He attended Johns Hopkins University and worked in Baltimore, Maryland, and New York City writing copy for newspapers, magazines and advertising.
Four married couples from Denver answered 39 of the 40 questions in the book correctly and won the $10,000 prize.
[1] The book sold over 1 million copies and was top of the New York Times best-seller in January 1984.
[1] Chastain authored several other novels including Pandora's Box (1974), Where the Truth Lies (1988) with Helen Hayes and The Prosecutor (1992).
[2] Chastain died September 1, 1994, aged 73, from lung cancer at Lenox Hill Hospital in Manhattan.