It's not until ”Le Baiser au lépreux” was published in 1922 that Mauriac was approved by readers and literary criticism. He himself admitted that it took him twelve years to find his own writing style. ”Le Baiser au lépreux” is a little piece that talks about the tragedy of a mismatched marriage. The title of the book is particularly intriguing: What is leprosy? Who is the leper? Why is it leprosy? Why does one kiss the leper? This series of inquiry-worthy questions lead us in to the story. The second part is about the characters and structure of the novel. The third part describes respectively the life of the hero and heroine as a martyr couple. The fourth part inquires on the two supporting characters of the novel. The last part is about how the hero obtains salvation through his selfless sacrifice.