[1] Following national service with the Royal Air Force (RAF) in Germany, he moved to London to work as a journalist.
He was a ghostwriter for the autobiographies of association footballers Bobby Moore, Terry Venables and manager Tommy Docherty.
Sam Peckinpah's cinematic treatment marked a watershed in the depiction of sexual violence in the cinema though the most controversial scenes are absent from the book.
While working as commercial manager of association football club Chelsea, he renewed his collaboration with Venables, resulting in four co-written novels.
[1] Williams declined director Bill Forsyth's invitation to write the script for the 1981 film Gregory's Girl.