What was Sherlock Holmes greatest mystery?

Answer 1

i think the final problem, as it builds up a lot of tension

In 1927 'The Strand Magazine' ran a contest to see who could most closely guess the author's dozen favourite Sherlock Holmes stories from the first 44 short stories as a promotion for the release of 'The Case-book of Sherlock Holmes.' Here is Conan Doyle's list:

1. "The Adventure of the Speckled Band"

2. "The Redheaded League"

3. "The Adventure of the Dancing Men"

4. "The Final Problem"

5. "A Scandal in Bohemia"

6. "The Adventure of the Empty House"

7. "The Five Orange Pips"

8. "The Adventure of the Second Stain"

9. "The Adventure of the Devil's Foot"

10. "The Adventure of the Priory School"

11. "The Musgrave Ritual"

12. "The Reigate Squires"

Conan Doyle later added seven more short stories to his list.

13. "Silver Blaze"

14. "The Adventure of the Bruce-Partington Plans"

15. "The Crooked Man"

16. "The Man with the Twisted Lip"

17. "The Greek Interpreter"

18. "The Resident Patient"

19. "The Naval Treaty"