Question: What was the name of the 1929 novel written by the author whose scenario inspired the one-act ballet "Le Train Bleu"?

Context paragraphs:
Le Train Bleu (restaurant): Le Train Bleu ("The Blue Train") is a restaurant located in the hall of the Gare de Lyon railway station in Paris, France.  It was designated a "Monument Historique" in 1972.

Blue Train Races: The Blue Train Races were a series of record-breaking attempts between automobiles and trains in the late 1920s and early 1930s.  It saw a number of motorists and their own or sponsored automobiles race against the "Le Train Bleu", a train that ran between Calais and the French Riviera.  The rationale to beat the train was to compare the contemporary automotive performance with locomotive dominance; to showcase recent progress achieved by cars regarding reliability, durability, speed and comfort; to promote the cars, their marques and the adventurous persona of their drivers; and to establish automobiles as a viable and aspirational mode of transport for the individual traveller.

Bar aux Folies-Bergère (ballet): Bar aux Folies-Bergère is a one-act ballet created in 1934, with scenario and choreography by Ninette de Valois, and designs by William Chappell after Manet.  The music consists of piano works by Emmanuel Chabrier, selected and arranged by Constant Lambert.

Picasso and the Ballets Russes: Pablo Picasso and the Ballets Russes collaborated on several productions.  Pablo Picasso's Cubist sets and costumes were used by Sergei Diaghilev in the Ballets Russes's "Parade" (1917, choreography: Léonide Massine), "Le Tricorne" ("The Three-Cornered Hat") (1919, choreography: Massine), "Pulcinella" (1920, choreographer: Massine), and "Cuadro Flamenco" (1921, choreography: Spanish folk dancers).  Picasso also drew a sketch with pen on paper of "La Boutique fantasque" ("La course"), (1919, choreography: Massine).  and designed the drop curtain for "Le Train Bleu" (1924, choreography: Bronislava Nijinska), based on his painting, "Two Women Running on the Beach" ("The Race"), 1922.

Le Train de Nulle Part: Le Train de Nulle Part (The Train from Nowhere) is a 233-page French novel, written in 2004 by a French doctor of letters, Michel Dansel, under the pen name Michel Thaler.  Notable as an example of constrained writing, the entire novel is written without a single verb.

Jean Cocteau: Jean Maurice Eugène Clément Cocteau (] ; 5 July 1889 – 11 October 1963) was a French writer, designer, playwright, artist and filmmaker.  Cocteau is best known for his novel "Les Enfants Terribles" (1929), and the films "The Blood of a Poet" (1930), "Les Parents Terribles" (1948), "Beauty and the Beast" (1946) and "Orpheus" (1949).  His circle of associates, friends and lovers included Kenneth Anger, Pablo Picasso, Gertrude Stein, Jean Hugo, Jean Marais, Henri Bernstein, Yul Brynner, Marlene Dietrich, Coco Chanel, Erik Satie, Albert Gleizes, Igor Stravinsky, Marie Laurencin, María Félix, Édith Piaf, Panama Al Brown, Colette, Jean Genet, and Raymond Radiguet.

Pep Bertran: Pep Bertran (born in Mataró, Maresme, 20 September 1971) is a Catalan writer.  He studied information science, psychoanalysis and film direction.  In 1996 he received the "Premi de novel·la curta Just Manuel Casero" Award for his novel "La Ribera", which was published in 1997 by Empúries publishing house.  Then, he left the writing and he was trained as a psychoanalyst.  He collaborated on "El Punt" newspaper between 1997 and 1998.  His novel "Una vida regalada", the first of the "Narratives" collection (Edicions Saldonar) is a fake autobiography of author whose scenario is La Ribera of Barcelona.

Hidden Agenda (video game): Hidden Agenda is a 1988 computer strategy game with menu-driven interface and early, black and white graphics whose scenario was designed and written by Jim Gasperini, with input from project consultant Eric Ehrmann.  While the scenario was implemented in text form, the game made use of an innovative graphical interface, with naturalistic characters, settings, and digital video interstitials.  The narrative simulation system was designed and implemented by Greg Guerin and Ron Martinez (who also produced the game).  Ron Martinez also designed and implemented the front end user experience, in the process inventing one of the first implementations of digital video with frames grabbed from a hacked four-head VCR.  The game was intended to simulate the conditions of a post-revolutionary Central American country.  It is considered a forerunner of the Games for Change movement, alongside other early Macintosh games including Chris Crawford's "Balance of Power".

Le Train Bleu: The Calais-Mediterranée Express was a luxury French night express train which operated from 1886 to 2003.  It gained international fame as the preferred train of wealthy and famous passengers between Calais and the French Riviera in the two decades before World War II.  It was colloquially referred to as Le Train Bleu in French (which became its formal name after World War II) and the Blue Train in English because of its dark blue sleeping cars.

Le Train Bleu (ballet): Le train bleu is a one-act ballet choreographed by Bronislava Nijinska to music by Darius Milhaud for Serge Diaghilev's Ballets Russes, based on a scenario by Jean Cocteau.  The title was taken from the night train called Le Train Bleu, which transported wealthy passengers from Calais to the Mediterranean Sea.  The ballet is set at the fashionable resort of Deauville and has a sporting theme, with swimmers, tennis players, and weight lifters.  Henri Laurens supplied a Cubist beach scene and Coco Chanel outfitted the cast in sportswear.  The curtain was painted after "Deux femmes courant sur la plage", a 1922 work by Pablo Picasso.

Supporting paragraphs: Le Train Bleu (ballet) Jean Cocteau
Answer: Les Enfants Terribles