His son, David Adler, said that his father died on Monday of complications from liver cancer.
Adler was the author of 50 novels, and sold the rights to a number of them for film, TV and stage adaptations. They included “Random Hearts,” which was turned into a 1999 movie directed by Sydney Pollack and starring Harrison Ford and Kristin Scott Thomas; and “The Sunset Gang,” which was adapted into a PBS “American Playhouse” in 1991, with Jerry Stiller, Uta Hagen, Harold Gould and Doris Roberts in the cast. “The Sunset Gang” was later adapted into an off-Broadway musical.
Another novel, “American Quartet,” part of his Fiona Fitzgerald mystery stories, was optioned by NBC and Lifetime.
Four months before his 1991 novel “Private Lies,