The first four chapters of the second part of A Study in Scarlet. This part goes back in time to tell the history for the two men who were murdered in part 1.

This is the conclusion of the first part of A Study in Scarlet

This is the first adventure of Sherlock Holmes and Dr Watson. In this beginning to one of literature's most iconic duos we see how they met as well as Dr Watson's first experience of observing Sherlock Holmes powers of observation and deduction

Explanation of why I did not start with the first Sherlock Holmes.

Sherlock Holmes and The Adventure of the empty house is the tale that reunites Holmes and Watson for the first time since Holmes’ apparent demise at the hands of the cunning professor Moriarty.