James Edward Preston Muddock also known as "Joyce Emmerson Preston Muddock" and "Dick Donovan" (28 May 1843 – 23 January 1934), was a prolific British journalist and author of mystery and horror fiction.
For a time his detective stories were as popular as those of Arthur Conan Doyle.
Between 1889 and 1922 he published nearly 300 detective and mystery stories.