Nicholas Pileggi (born 22 February 1933) is a novelist and screenwriter martella, best known for writing the book Wiseguy. Goodfellas and Casino books have been adapted to the big screen, being both films directed by Martin Scorsese. Pileggi also wrote the screenplay for the film City Hall. He began his career as a journalist. Always had an interest in the mafia, from which developed skill and intuition to write books such as Wiseguy and Casino. It is also the author of the book Blye: Private Eye. Pileggi is executive producer of the film American Gangster, directed by Ridley Scott.