"Doctor Pascal" is the last book in the Rougon-McCarthy series by the French writer Emile Zola. This novel tells the story of Dr. Pascal Rougon, who devoted his life to science and medicine. He decides to conduct a genealogical study of his family, hoping to discover patterns between people's characters and fate. However, this research leads to the revelation of secrets that change his perception of his past and family. "Doctor Pascal" is a novel about genetics, family secrets and the influence of the past on the present, placed at the intersection of health, fate and passions.