The Parasite is a novel written by Arthur Conan Doyle, the creator of the famous detective Sherlock Holmes. The story is set in London in the late 19th century and revolves around the character of Austin Gilroy, a young and ambitious scientist who is engaged to be married to the beautiful and wealthy Rosamund Vance.Gilroy is working on a revolutionary experiment that he believes will change the course of medical science. However, his work is interrupted by the arrival of a mysterious and enigmatic woman named Madame Sara, who takes up residence in the house next door. Madame Sara is a charismatic and seductive figure who quickly becomes the center of attention in the neighborhood.As Gilroy becomes increasingly obsessed with Madame Sara, he begins to neglect his work and his relationship with Rosamund. He is drawn into a web of intrigue and deception, as he discovers that Madame Sara is not what she seems and that her true intentions may be sinister.The Parasite is a gripping and suspenseful novel that explores themes of love, obsession, and betrayal. It is a departure from Doyle's more famous detective stories, but it showcases his talent for creating complex and compelling characters and his skill at crafting a thrilling plot.Charles Sadler must know something of this! His vague words of warning take a meaning now. Oh, if I had only listened to him then, before I helped by these repeated sittings to forge the links of the chain which binds me! But I will see him to-day.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.