From the announcement:
Sherlock Holmes is Missing and Presumed Dead!
Intrepid investigators are asked by the stoic Dr. Watson to take cases out of Baker Street in Holmes’s absence. Victorian streets, foggy nights, and crime most foul await. Will the nefarious plans of crafty villains come to fruition or can the champions of justice from Baker Street save the day?
Baker Street is a Role Playing Game in which the players attempt to solve some of the most baffling crimes in history. Featuring over 30 careers, 25 unique criminal extras, and rules for making your own nefarious villains, Baker Street features a robust investigation mechanic, easy character generation, and rules for making your own mystery.
The corebook, a casebook with 8 adventures, and a free adventure are all downloadable from RPGnow.com