No, I don't mean Wonder Woman, though I am a fan. A Knife in the Fog is now available for pre-order on Amazon. No title just yet, (March, probably) and no mention of Jack the Ripper, but it's a start. Dreams do come true.
A Knife in the Fog: A Mystery Featuring Margaret Harkness and Arthur Conan Doyle: Bradley Harper: 9781633884861: AmazonSmile: Books