December 1893. The fanatical readers of the London magazine Strand discover with horror that Arthur Conan Doyle has killed Sherlock Holmes - his creation - in his last adventure. Angry, they surround the author's house demanding explanations. He remains silent. Eight years later, Arthur Conan Doyle brings his hero back into action.
What happened in the meantime? What made him change his mind?
The author remains silent again.
After the death of Arthur Conan Doyle, his diary disappears, which could possibly solve the mystery.

January 2010. Harold White becomes a member of the Baker Street Irregulars, the most important club of Sherlock Holmes readers, without suspecting that he will soon be involved in a relentless treasure hunt with the prize being the Grail of Sherlock Holmes' fanatics - the lost diary of Arthur Conan Doyle.

The case becomes more complicated when the man considered a worldwide authority on the author's work is found murdered. How could his murder be connected to Doyle's lost diary?
Using methods inspired by the hundreds of detective stories he has read, Harold White will try to reach the diary first and uncover the murderer.

With a narrative that oscillates between yesterday and today, between late 19th century London and 20th century New York, "The Sherlock Holmes Club" is an exciting mystery novel that pays tribute to Arthur Conan Doyle and the most famous hero in the history of detective literature, Sherlock Holmes.