Many of Holmes's more fantastic cases have yet to see publication, since their grotesque and outré nature would have stretched the reader's sensibilities beyond any normal boundaries. They are, in a word, unbelievable, and I have held these cases in abeyance at Holmes' request to protect both his reputation and my own small credibility as narrator.
"John H. Watson, Vampire"
From the Supernatural Case Files of Sherlock Holmes London's most beloved detective encounters his most deadly foe, and the results will be unlike any Sherlock Holmes adventure before it!
When a rare and lustrous pearl is discovered in Highgate Cemetery, it's the beginning of one of the most sinister cases Holmes and Watson have ever faced. And one with profoundly personal ramifications for the good doctor.