"Madame Dubirstein" is a psychological drama novel by Austrian writer Leo Perutz, which tells the story of Dr. Casimir, who ends up in a psychiatric hospital after a devoted patient commits suicide. Under the onslaught of strange events taking place in the hospital and his internal struggles, the doctor gradually loses control of his own beliefs and identity. The reader travels with the main character through the labyrinths of consciousness and memory, observing his difficult internal battles and the search for a way to save his own self. The novel "Madame Dubirshtein" is known for its complex structure, deep philosophical reflections and emotionally mesmerizes the reader until the last page.