This novel by Sir Arthur Conan Doyle was first published in 1889. The Cloomber Hall is untenanted for many years. After a while it is settled in by John Berthier Heatherstone, late of the Indian Army. General Heatherstone is nervous to the point of being paranoid. Every year his paranoia reaches its climax around the fifth of October, after which date his fears subside for a while. After some time there is a shipwreck in the bay and among the survivors are three Buddhist priests who had boarded the ship from Kurrachee. Then the General disappears. The General had given his son a parcel and instructed him to hand it over to West in case of his death or disappearance. When West opens the parcel he finds a letter and some old papers. In the letter the general tells West to read the papers, which are pages from a diary that the general had kept in his days in the army of the English East India Company. As West reads the papers he understands the mystery of Cloomber.