Sinners was a book by Jackie Collins. The book shows the dark side of Hollywood which we don't usually get to see. The book shows the confusing lifestyle of the rich.
The book shows what people can go through in order to be famous and shows what some producers do before they give actresses roles in movies.
Repetition simply means repeating of words. It is done in order to create a pattern. Some examples of repetition in Sinners include "time after time", "hand in hand" , "let it rain, let it rain" etc.
