Shadows Over Baker Street

Shadows Over Baker Street is an anthology edited by Michael Reaves and John Pelan and combining the worlds of H.P. Lovecraft's Cthulhu Mythos and Arthur Conan Doyle's Sherlock Holmes stories. Reaves and Pelan contributed the introduction. The estate of Arthur Conan Doyle estate approved the book's publication.

Similar works
A multitude of works not authored by Doyle have involved science fiction and supernatural elements. In terms of the Mythos, specifically, the Andy Lane novel All-Consuming Fire also combines Sherlock Holmes with the Mythos. As part of the Virgin New Adventures line, it also takes place in the "Whoniverse" introduced by Doctor Who and stars the Seventh Doctor from that series.

The 2007 adventure game Sherlock Holmes: The Awakened involves the Mythos, Cthulhu specifically. A remastered version appeared in 2008 and a remake in 2023.