Question: What is the best known novel by the author whose work was the basis for the French film Thomas the Impostor? 
Sentence (from "Jean Cocteau"): 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).
Relevant evidence: Yes