The book Mary Reilly is the sequel to the famous The Strange Case of . The Strange Case of by Robert Louis Stevenson, is a stark, ingeniously woven, engaging novel. That tells the disturbing tale of the dual personality of Dr. Jekyll, a physician. A generous and philanthropic man, his is preoccupied with the problems of good and evil and with the possibility of separating them into two distinct personalities. He develops a drug that transforms him into the demonic Mr. Hyde, in whose person he exhausts all the latent evil in his nature. He als ....