18 books • 4 series
The Problem of the Surly Servant (Charles Dodgson/Arthur Conan Doyle Mysteries) (A Charles Dodgson & Arthur Conan Doyle mystery)
The Problem of the Evil Editor a Charles Dodgson/Arthur Conan Doyle Mystery (Charles Dodgson/Arthur Conan Doyle Mysteries)
The Problem of the Spurious Spiritualist (A Charles Dodgson & Arthur Conan Doyle mystery)