The last twelve stories written about Holmes and Watson, these tales reflect the disillusioned world of the 1920s in which they were written. Some of the sharpest turns of wit in English literature are contrasted by dark images of psychological tragedy, suicide, and incest in a collection of tales that have haunted generations of readers.

Sir Arthur Ignatius Conan Doyle was a Scottish author most noted for his stories about the detective Sherlock Holmes, which are generally considered a major innovation in the field of crime fiction, and the adventures of Professor Challenger. He was a prolific writer whose other works include science fiction stories, historical novels, plays and romances, poetry, and non-fiction.