The present paper analyses the self-portrait of Isabelle Eberhardt emerging from the letters she wrote to three men: her brother Augustin de Moerder, her friend Ali Abdul Wahab and her husband Slimène Ehnni. The paper is divided into three parts. The first one discusses her desire of Orient, the second shows her will of annihilating herself and the last one focuses on the power of the desert which helps the writer to find the desired calm.