It contains a selection from the Epistolario (Correspondence Book), first published between 1887 and 1906 by Flaubert's niece and adopted daughter, Carolina Franklin Groud, and consisting of 1,963 letters. This correspondence is indispensable for understanding the master of aesthetics, the man who passionately loved literature and freedom. In the Passion of Writing, he discusses his working method, his readings, his love life, his friendships, and portrays famous figures of his time.