Sherlock Holmes and the Shadwell Shadows

Sherlock Holmes and the Shadwell Shadows is a mystery novel by James Lovegrove. It is a Sherlock Holmes pastiche that involves H. P. Lovecraft's Cthulhu Mythos. It is the first book in Lovegrove's Cthulhu Casebooks trilogy. The second novel, Sherlock Holmes and the Miskatonic Monstrosities, was released in November 2017 and a third, Sherlock Holmes and the Sussex Sea-Devils, in November 2018.