The Ruby of Kishmoor

The Ruby of Kishmoor is a fictional pirate adventure novel set in Kingston, Jamaica. Jonathan Rugg, a young Englishman travels there on business. But while he is there, he is approached by a mysterious veiled woman who begs him to keep a small ivory ball for the duration of his stay on the islands. Naively, Jonathan accepts this charge. But what he doesn't know is that his possession of the ivory ball will lead to several deaths at his hand…