Joseph Smith Fletcher (1863-1935) was a British journalist and author. He wrote more than 230 books on a wide variety of subjects, both fiction and nonfiction. He was one of the leading writers of detective fiction in the Victorian golden age of the short story.

'The Malachite Jar' is a detective story. An eminent magistrate, an antiquarian book and antique collector, has been found dead. The post mortem indicates that he was poisoned. But who could possibly have a motive for the murder? Various members of the community come forward with information, each of which points to a different solution to the puzzle...but which is correct?