Paris 1890. Sherlock Holmes is summoned across the English Channel to the famous Opera House.

Once there, he is challenged to discover the true motivations and secrets of the notorious phantom, who rules its depths with passion and defiance. 

Sir Arthur Conan Doyle’s timeless creation returns in a new series of handsomely designed detective stories. The Further Adventures series encapsulates the most varied and thrilling cases of the worlds’ greatest detective.

“The tone is Homesian to the last detail, with the reader swept along to a satisfying ending. A fine addition to the Holmes canon.” - Library Journal

“Siciliano’s tale… is wonderfully atmospheric and moves briskly.” - Publishers Weekly

“The [familiar] tale seems fresher and deeper, thanks both to the invigorating presence of Holmes and Vernier and to the wealth of marvelous detail, especially on the Paris Opera House itself.” - Booklist