His books included The Amboy Dukes, Cry Tough, The Square Trap, and Platinum High School, all of which were adapted into movies.
[3] Published in 1947, The Amboy Dukes examined the grim, and sometimes short, lives of teenage street criminals in Brooklyn during World War II; notably, its primary characters were described as being Jewish.
and The Big Brokers, followed the equally grim experiences of some of the characters who survived The Amboy Dukes, but with somewhat less emphasis on their being practitioners of Judaism.
In The Big Brokers, Wolf and two other former members of the Dukes are sent to Nevada to run one of the crime family's casinos in Las Vegas.
In the 1960s, Shulman wrote biographies of Jean Harlow and Rudolph Valentino, and a novelization of the film West Side Story.