The Godfather is a crime novel written by Italian American author Mario Puzo, originally published in 1969 by G. P. Putnam's Sons. It details the story of a fictitious Sicilian Mafia family based in New York City (and Long Beach, New York) and headed by Don Vito Corleone, who became synonymous with the Italian Mafia. The novel covers the years 1945 to 1955, and also provides the backstory of Vito Corleone from early childhood to adulthood.

The book introduced Italian criminal terms like consigliere, caporegime, Cosa Nostra, and omertà to an English-speaking audience.

It formed the basis for a 1972 film of the same name. Two film sequels, with new contributions made by Puzo, were made in 1974 and 1990. The first and second film are widely considered to be two of the greatest films of all time.

The Godfather was followed by a 1984 sequel novel, also written by Puzo, The Sicilian. The story was continued and expanded in Mark Winegardner's The Godfather Returns and The Godfather's Revenge.

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