Solar Pons was created by August Derleth in the 1920s as a continuation of the Sherlock Holmes canon. Derleth, who famously created Arkham House Publishing to preserve the writings of his friend, author HP Lovecraft, had corresponded with Sir Arthur Conan Doyle, asking whether Doyle would be providing any new Holmes adventures. When Doyle said no, Derleth determined to write some himself. However, instead of writing more Holmes tales, Derleth came...