All of the changes in publishing since 1960 are significant. There are far fewer publishers.

Westlake's most famous characters include the hard-boiled criminal Parker (appearing in fiction under the Richard Stark pseudonym) and Parker's comic flip-side John Dortmunder. In 1987 Westlake wrote the teleplay Fatal Confession a pilot for the TV series Father Dowling Mysteries based on the novels by Ralph McInerny. "
Samuel Holt: 4 mystery novels featuring the character of Sam Holt 1986-1989: One of Us is Wrong and I Know a Trick Worth Two of That both 1986; What I Tell You Three Times is False 1987; The Fourth Dimension is Death 1989.

He was a three-time Edgar Award winner one of only three writers (the others are Joe Gores and William L. Donald Edwin Westlake (July 12 1933 – December 31 2008) was an American writer with over a hundred novels and non-fiction books to his credit.