Work of inner reflection at the origin, they were not intended for publication, or to use the frame for future novels. Among the works of Saint-Exupery, the books are a work apart. He rebelled against the Spaniards who sacked their country or that he developed his theory of equality, Saint-Exupery is the champion of the language. Based on discussions with real friends, Saint-Exupery built a sort of dialogue with himself mingling thoughts, observations, questions. It is also exploring the sensitivity of a man curious about everything, which among the classic statement of a theorem of physics and solve a financial problem, wrote: "I. Found in these pages the issues that arise every man when he sees the world around him to go awry, overwhelmed by situations What created his contemporaries.