i think there are 24, but im not too sure because i found what looks to be an online version of the book, however im not sure if it is complete. try the link below as this is the site i found, hopefully it helps!!
Volume one consists of four letters that serve as an introduction, and eight chapters.
Volume two consists of nine chapters and volume three consists of seven.
So the book is made up of an introduction and twenty-four chapters.
The 60 Sherlock Holmes stories by Sir Arthur Conan Doyle are found in :
A Study in Scarlet
The Sign of Four (or The Sign of The Four)
The Adventures of Sherlock Holmes
The Memoirs of Sherlock Holmes
The Hound of the Baskervilles
The Return of Sherlock Holmes
The Valley of Fear
His Last Bow
The Casebook of Sherlock Holmes
These make up "The Canon". There are other Sherlock Holmes stories by other authors, such as "The Exploits of Sherlock Holmes" by Adrian Conan Doyle and John Dickson Carr; but the above 60 are the 'orthodox' stories.
Robert Downey jr has been in two Sherlock Holmes movies: Sherlock Holmes (2009) and Sherlock Holmes: A Game of Shadows (2011)
Sherlock Holmes' real name is Sherlock Holmes.
Sherlock Holmes
Sherlock & Holmes
The Adventures of Sherlock Holmes
Sherlock Holmes Was Wrong has 208 pages.
The Memoirs of Sherlock Holmes has 279 pages.
Robert Downey jr has been in two Sherlock Holmes movies: Sherlock Holmes (2009) and Sherlock Holmes: A Game of Shadows (2011)
Sherlock Holmes' real name is Sherlock Holmes.
Sherlock Holmes 3
I have only heard about the Sherlock Holmes The Musical which was back in 1988.
The Last Sherlock Holmes Story has 192 pages.
.... Sherlock Holmes
The Sherlock Holmes was a popular series. Many people like to read these books.
Sherlock Holmes.
Sherlock Holmes
"Young Sherlock Holmes" (1985). Stars Nicholas Rowe as Sherlock Holmes, Alan Cox as John Watson.