Question: What is the best known novel by the author whose work was the basis for the French film Thomas the Impostor? 
Sentence (from "Thomas the Impostor"): Thomas the Impostor (French: "Thomas l'imposteur" ) is a 1964 French film directed by Georges Franju and starring Emmanuelle Riva, Fabrice Rouleau, Sophie Dares, Jean Marais and Charles Aznavour.
Relevant evidence: No